| 1 | aberconwayi sp | subgenus Hymenanthes, section Pontica, subsection Irrorata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata | C 1996 |
| 2 | abietifolium sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 3 | acrophilum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 4 | acuminatum sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 5 | adenogynum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 6 | adenopodum sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 7 | adenosum sp | subgenus Hymenanthes, section Pontica, subsection Glischra | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra | C 1996 |
| 8 | adinophyllum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 9 | aequabile sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 10 | aeruginosum ssp | subgenus Hymenanthes, section Pontica, subsection Campanulata, sp. campanulatum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campanulata, sp. campanulatum | C 1996 |
| 11 | afghanicum sp | subgenus Rhododendron, section Rhododendron, subsection Afghanica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Afghanica | C 1996 |
| 12 | aganniphum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 13 | aganniphum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. aganniphum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. aganniphum | C 1996 |
| 14 | agathodaemonis sp | subgenus Rhododendron, section Vireya, subsection Siphonovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Siphonovireya | C 1996 |
| 15 | agetum ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. neriiflorum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. neriiflorum | C 1996 |
| 16 | agglutinatum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. phaeochrysum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. phaeochrysum | C 1996 |
| 17 | alabamense sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 18 | albertsenianum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 19 | albiflorum sp | subgenus Azaleastrum, section Sciadorhodion | GEH 2005 |
| subgenus Candidastrum | C 1996 |
| 20 | alborugosum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 21 | albotomentosum ssp | subgenus Hymenanthes, section Pontica, subsection Arborea, sp. arboreum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea, sp. arboreum | C 1996 |
| 22 | albrechtii sp | subgenus Azaleastrum, section Sciadorhodion | GEH 2005 |
| subgenus Pentanthera, section Sciadorhodion | C 1996 |
| 23 | album var | subgenus Hymenanthes, section Pontica, subsection Grandia, sp. kesangiae | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia, sp. kesangiae | C 1996 |
| 24 | album var | subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. glaucophyllum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. glaucophyllum | C 1996 |
| 25 | album sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 26 | alternans sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 27 | alticolum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 28 | alutaceum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 29 | alutaceum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. alutaceum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. alutaceum | C 1996 |
| 30 | amabile sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 31 | amagianum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 32 | ambiguum sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 33 | anagalliflorum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 34 | andersonii var | subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. variolosum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. variolosum | C 1996 |
| 35 | angiense var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. culminicolum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. culminicolum | C 1996 |
| 36 | angulatum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 37 | angustifolium ssp | subgenus Rhododendron, section Vireya, subsection Vireya, sp. stenophyllum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. stenophyllum | C 1996 |
| 38 | angustissimum ssp | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. borneense | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. borneense | C 1996 |
| 39 | annae sp | subgenus Hymenanthes, section Pontica, subsection Irrorata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata | C 1996 |
| 40 | annae ssp | subgenus Hymenanthes, section Pontica, subsection Irrorata, sp. annae | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata, sp. annae | C 1996 |
| 41 | anthopogon ssp | subgenus Rhododendron, section Pogonanthum, sp. anthopogon | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum, sp. anthopogon | C 1996 |
| 42 | anthopogon sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 43 | anthopogonoides sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 44 | anthosphaerum sp | subgenus Hymenanthes, section Pontica, subsection Irrorata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata | C 1996 |
| 45 | anwheiense sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 46 | aperantum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 47 | apiense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 48 | apoanum sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 49 | apodectum ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. dichroanthum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. dichroanthum | C 1996 |
| 50 | araiophyllum sp | subgenus Hymenanthes, section Pontica, subsection Irrorata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata | C 1996 |
| 51 | arborescens sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 52 | arboreum ssp | subgenus Hymenanthes, section Pontica, subsection Arborea, sp. arboreum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea, sp. arboreum | C 1996 |
| 53 | arboreum sp | subgenus Hymenanthes, section Pontica, subsection Arborea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea | C 1996 |
| 54 | archboldianum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 55 | arenicolum sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 56 | arfakianum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 57 | argipeplum sp | subgenus Hymenanthes, section Pontica, subsection Barbata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Barbata | C 1996 |
| 58 | argyrophyllum ssp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla, sp. argyrophyllum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla, sp. argyrophyllum | C 1996 |
| 59 | argyrophyllum sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 60 | arizelum sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 61 | armitii sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 62 | asperrimum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 63 | asperulum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 64 | asperum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 65 | asterochnoum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 66 | astromontium ssp | subgenus Rhododendron, section Vireya, subsection Vireya, sp. disterigmoides | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. disterigmoides | C 1996 |
| 67 | atlanticum sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 68 | atrokermesinum var | subgenus Hymenanthes, section Pontica, subsection Thomsonia, sp. meddianum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia, sp. meddianum | C 1996 |
| 69 | atropurpureum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 70 | atrovirens sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 71 | augustinii sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 72 | augustinii ssp | subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. augustinii | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. augustinii | C 1996 |
| 73 | aureum var | subgenus Hymenanthes, section Pontica, subsection Pontica, sp. aureum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica, sp. aureum | C 1996 |
| 74 | aureum sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 75 | auriculatum sp | subgenus Hymenanthes, section Pontica, subsection Auriculata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Auriculata | C 1996 |
| 76 | aurigeranum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 77 | auritum sp | subgenus Rhododendron, section Rhododendron, subsection Tephropepla | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Tephropepla | C 1996 |
| 78 | australe ssp | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. nivale | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. nivale | C 1996 |
| 79 | austrinum sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 80 | axillare var | subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | C 1996 |
| 81 | axillare latifolium var | subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | C 1996 |
| 82 | axillare ovatum var | subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | C 1996 |
| 83 | baconii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 84 | baenitzianum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 85 | bagobonum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 86 | baileyi sp | subgenus Rhododendron, section Rhododendron, subsection Baileya | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Baileya | C 1996 |
| 87 | bainbridgeanum sp | subgenus Hymenanthes, section Pontica, subsection Selensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Selensia | C 1996 |
| 88 | balangense sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 89 | balfourianum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 90 | bancanum var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. longiflorum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. longiflorum | C 1996 |
| 91 | banghamiorum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 92 | bantaengense var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. lindaueanum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. lindaueanum | C 1996 |
| 93 | barbatum sp | subgenus Hymenanthes, section Pontica, subsection Barbata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Barbata | C 1996 |
| 94 | basilicum sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 95 | basitrichum var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. ripleyi | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. ripleyi | C 1996 |
| 96 | bathyphyllum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 97 | bauhiniiflorum var | subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. triflorum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. triflorum | C 1996 |
| 98 | beanianum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 99 | beccarii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 100 | beesianum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 101 | bellatulum var | subgenus Hymenanthes, section Pontica, subsection Thomsonia, sp. eclecteum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia, sp. eclecteum | C 1996 |
| 102 | beyerinckianum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 103 | bhutanense sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 104 | blackii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 105 | bloembergenii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 106 | boothii sp | subgenus Rhododendron, section Rhododendron, subsection Boothia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Boothia | C 1996 |
| 107 | boreale ssp | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. nivale | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. nivale | C 1996 |
| 108 | borneense sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 109 | brachyanthum ssp | subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. brachyanthum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. brachyanthum | C 1996 |
| 110 | brachyanthum sp | subgenus Rhododendron, section Rhododendron, subsection Glauca | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca | C 1996 |
| 111 | brachycarpum ssp | subgenus Hymenanthes, section Pontica, subsection Pontica, sp. brachycarpum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica, sp. brachycarpum | C 1996 |
| 112 | brachycarpum sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 113 | brachygynum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 114 | brachypodarium sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 115 | brachystemon ssp | subgenus Rhododendron, section Vireya, subsection Vireya, sp. vidalii | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. vidalii | C 1996 |
| 116 | bracteatum sp | subgenus Rhododendron, section Rhododendron, subsection Heliolepida | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Heliolepida | C 1996 |
| 117 | brassii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 118 | breviperulatum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 119 | brevipes sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 120 | brevistylum var | subgenus Rhododendron, section Rhododendron, subsection Heliolepida, sp. heliolepis | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Heliolepida, sp. heliolepis | C 1996 |
| 121 | brookeanum ssp | subgenus Rhododendron, section Vireya, subsection Vireya, sp. javanicum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. javanicum | C 1996 |
| 122 | brunneifolium var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. eudoxum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. eudoxum | C 1996 |
| 123 | bryophilum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 124 | bullifolium sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 125 | bulu sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 126 | bureavii sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 127 | bureavioides sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 128 | burmanicum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 129 | burttii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 130 | buruense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 131 | buxifolium sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 132 | buxoides sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 133 | caesium sp | subgenus Rhododendron, section Rhododendron, subsection Trichoclada | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Trichoclada | C 1996 |
| 134 | caespitosum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 135 | calendulaceum sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 136 | caliginis sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 137 | callimorphum var | subgenus Hymenanthes, section Pontica, subsection Campylocarpa, sp. callimorphum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campylocarpa, sp. callimorphum | C 1996 |
| 138 | callimorphum sp | subgenus Hymenanthes, section Pontica, subsection Campylocarpa | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campylocarpa | C 1996 |
| 139 | calocodon var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. pauciflorum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. pauciflorum | C 1996 |
| 140 | calophytum var | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. calophytum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. calophytum | C 1996 |
| 141 | calophytum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 142 | calosanthes sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 143 | calostrotum ssp | subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. calostrotum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. calostrotum | C 1996 |
| 144 | calostrotum sp | subgenus Rhododendron, section Rhododendron, subsection Saluenensia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Saluenensia | C 1996 |
| 145 | caloxanthum ssp | subgenus Hymenanthes, section Pontica, subsection Campylocarpa, sp. campylocarpum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campylocarpa, sp. campylocarpum | C 1996 |
| 146 | camelliiflorum sp | subgenus Rhododendron, section Rhododendron, subsection Camelliiflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Camelliiflora | C 1996 |
| 147 | campanulatum ssp | subgenus Hymenanthes, section Pontica, subsection Campanulata, sp. campanulatum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campanulata, sp. campanulatum | C 1996 |
| 148 | campanulatum sp | subgenus Hymenanthes, section Pontica, subsection Campanulata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campanulata | C 1996 |
| 149 | campylocarpum ssp | subgenus Hymenanthes, section Pontica, subsection Campylocarpa, sp. campylocarpum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campylocarpa, sp. campylocarpum | C 1996 |
| 150 | campylocarpum sp | subgenus Hymenanthes, section Pontica, subsection Campylocarpa | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campylocarpa | C 1996 |
| 151 | campylogynum sp | subgenus Rhododendron, section Rhododendron, subsection Campylogyna | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Campylogyna | C 1996 |
| 152 | camtschaticum sp | subgenus Therorhodion | GEH 2005 |
| subgenus Therorhodion | C 1996 |
| 153 | camtschaticum ssp | subgenus Therorhodion, sp. camtschaticum | GEH 2005 |
| subgenus Therorhodion, sp. camtschaticum | C 1996 |
| 154 | canadense sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Rhodora | C 1996 |
| 155 | canescens sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 156 | capellae sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 157 | capitatum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 158 | cardiobasis ssp | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. orbiculare | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. orbiculare | C 1996 |
| 159 | carneum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 160 | carrii sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 161 | carringtoniae sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 162 | carstensense sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 163 | catacosmum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 164 | catawbiense sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 165 | caucasicum sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 166 | celebicum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 167 | cephalanthum sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 168 | cephalanthum ssp | subgenus Rhododendron, section Pogonanthum, sp. cephalanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum, sp. cephalanthum | C 1996 |
| 169 | cerasinum sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 170 | cernuum sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 171 | chaetomallum ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. haematodes | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. haematodes | C 1996 |
| 172 | chamaedoron var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. chamaethomsonii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. chamaethomsonii | C 1996 |
| 173 | chamaepitys sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 174 | chamaethauma var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. chamaethomsonii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. chamaethomsonii | C 1996 |
| 175 | chamaethomsonii sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 176 | chamaethomsonii var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. chamaethomsonii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. chamaethomsonii | C 1996 |
| 177 | chameunum ssp | subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. saluenense | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. saluenense | C 1996 |
| 178 | championae sp | subgenus Choniastrum | GEH 2005 |
| subgenus Azaleastrum, section Choniastrum | C 1996 |
| 179 | chapmanii var | subgenus Rhododendron, section Rhododendron, subsection Caroliniana, sp. minus | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Caroliniana, sp. minus | C 1996 |
| 180 | charitopes sp | subgenus Rhododendron, section Rhododendron, subsection Glauca | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca | C 1996 |
| 181 | charitopes ssp | subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. charitopes | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. charitopes | C 1996 |
| 182 | chasmanthum ssp | subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. augustinii | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. augustinii | C 1996 |
| 183 | chevalieri sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 184 | chienianum var | subgenus Hymenanthes, section Pontica, subsection Argyrophylla, sp. longipes | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla, sp. longipes | C 1996 |
| 185 | chlorops var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. oreites | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. oreites | C 1996 |
| 186 | christi sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 187 | christianae sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 188 | chryseum var | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. rupicola | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. rupicola | C 1996 |
| 189 | chrysodoron sp | subgenus Rhododendron, section Rhododendron, subsection Boothia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Boothia | C 1996 |
| 190 | ciliatum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 191 | ciliilobum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 192 | cinchoniflorum sp | subgenus Rhododendron, section Vireya, subsection Siphonovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Siphonovireya | C 1996 |
| 193 | cinerascens sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 194 | cinnabarinum ssp | subgenus Rhododendron, section Rhododendron, subsection Cinnabarina, sp. cinnabarinum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Cinnabarina, sp. cinnabarinum | C 1996 |
| 195 | cinnabarinum sp | subgenus Rhododendron, section Rhododendron, subsection Cinnabarina | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Cinnabarina | C 1996 |
| 196 | cinnamomeum var | subgenus Hymenanthes, section Pontica, subsection Arborea, sp. arboreum, ssp. cinnamomeum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea, sp. arboreum, ssp. cinnamomeum | C 1996 |
| 197 | cinnamomeum ssp | subgenus Hymenanthes, section Pontica, subsection Arborea, sp. arboreum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea, sp. arboreum | C 1996 |
| 198 | citriniflorum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. citriniflorum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. citriniflorum | C 1996 |
| 199 | citriniflorum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 200 | citrinum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 201 | clementinae sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 202 | cloiophorum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. sanguineum, ssp. sanguineum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. sanguineum, ssp. sanguineum | C 1996 |
| 203 | cockburnii ssp | subgenus Rhododendron, section Vireya, subsection Vireya, sp. javanicum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. javanicum | C 1996 |
| 204 | coelicum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 205 | coeloneuron sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 206 | coelorum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 207 | collettianum sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 208 | commonae sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 209 | commutatum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 210 | comparabile sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 211 | complexum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 212 | comptum sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 213 | concinnoides sp | subgenus Rhododendron, section Rhododendron, subsection Monantha | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Monantha | C 1996 |
| 214 | concinnum sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 215 | copelandii var | subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. jasminiflorum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. jasminiflorum | C 1996 |
| 216 | coriaceum sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 217 | cornu-bovis sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 218 | correoides sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 219 | coryanum sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 220 | cowanianum sp | subgenus Rhododendron, section Rhododendron, subsection Lepidota | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lepidota | C 1996 |
| 221 | coxianum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 222 | crassifolium sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 223 | crassum ssp | subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. maddenii | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. maddenii | C 1996 |
| 224 | crinigerum var | subgenus Hymenanthes, section Pontica, subsection Glischra, sp. crinigerum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra, sp. crinigerum | C 1996 |
| 225 | crinigerum sp | subgenus Hymenanthes, section Pontica, subsection Glischra | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra | C 1996 |
| 226 | cruttwellii sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 227 | cryptogonium var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. ripleyi | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. ripleyi | C 1996 |
| 228 | cucullatum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. roxieanum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. roxieanum | C 1996 |
| 229 | culminicolum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 230 | cumberlandense sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 231 | cuneatum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 232 | cuneifolium sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 233 | curviflorum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 234 | cuspidellum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 235 | cyanocarpum sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 236 | cyatheicolum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 237 | cyclopense var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. wrightianum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. wrightianum | C 1996 |
| 238 | cyrtophyllum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 239 | dabanshanense ssp | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. przewalskii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. przewalskii | C 1996 |
| 240 | dalhousiae sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 241 | dalhousiae var | subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. dalhousiae | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. dalhousiae | C 1996 |
| 242 | dasycladoides sp | subgenus Hymenanthes, section Pontica, subsection Selensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Selensia | C 1996 |
| 243 | dasycladum ssp | subgenus Hymenanthes, section Pontica, subsection Selensia, sp. selense | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Selensia, sp. selense | C 1996 |
| 244 | dasypetalum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 245 | datiandingense sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 246 | dauricum sp | subgenus Rhododendron, section Rhododendron, subsection Rhodorastra | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Rhodorastra | C 1996 |
| 247 | davaoense var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | C 1996 |
| 248 | davidii sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 249 | davidsonianum sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 250 | dealbatum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. temenium | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. temenium | C 1996 |
| 251 | decandrum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 252 | decorum ssp | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. decorum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. decorum | C 1996 |
| 253 | decorum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 254 | degronianum sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 255 | degronianum ssp | subgenus Hymenanthes, section Pontica, subsection Pontica, sp. degronianum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica, sp. degronianum | C 1996 |
| 256 | dekatanum sp | subgenus Rhododendron, section Rhododendron, subsection Boothia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Boothia | C 1996 |
| 257 | delavayi ssp | subgenus Hymenanthes, section Pontica, subsection Arborea, sp. arboreum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea, sp. arboreum | C 1996 |
| 258 | delavayi var | subgenus Hymenanthes, section Pontica, subsection Arborea, sp. arboreum, ssp. delavayi | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea, sp. arboreum, ssp. delavayi | C 1996 |
| 259 | delicatulum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 260 | dendricola sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 261 | dendrocharis sp | subgenus Rhododendron, section Rhododendron, subsection Moupinensia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Moupinensia | C 1996 |
| 262 | densifolium sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 263 | denudatum sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 264 | detznerianum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 265 | dianthosmum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 266 | diaprepes ssp | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. decorum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. decorum | C 1996 |
| 267 | dichroanthum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 268 | dichroanthum ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. dichroanthum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. dichroanthum | C 1996 |
| 269 | dictyotum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. traillianum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. traillianum | C 1996 |
| 270 | didymoides var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. sanguineum, ssp. sanguineum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. sanguineum, ssp. sanguineum | C 1996 |
| 271 | didymum ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. sanguineum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. sanguineum | C 1996 |
| 272 | dielsianum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 273 | dignabile sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 274 | dilatatum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 275 | diphrocalyx sp | subgenus Hymenanthes, section Pontica, subsection Glischra | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra | C 1996 |
| 276 | discolor ssp | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. fortunei | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. fortunei | C 1996 |
| 277 | discoloratum var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. citrinum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. citrinum | C 1996 |
| 278 | disterigmoides sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 279 | diversipilosum sp | subgenus Rhododendron, section Rhododendron, subsection Leda | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Leda | C 1996 |
| 280 | durionifolium sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 281 | eastmanii sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 282 | eclecteum sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 283 | edanoi sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 284 | edgeworthii sp | subgenus Rhododendron, section Rhododendron, subsection Edgeworthia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Edgeworthia | C 1996 |
| 285 | elegantulum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 286 | elliottii sp | subgenus Hymenanthes, section Pontica, subsection Parishia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Parishia | C 1996 |
| 287 | emarginatum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 288 | englerianum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 289 | epilosum var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. retusum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. retusum | C 1996 |
| 290 | ericoides sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 291 | eriocarpum var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. emarginatum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. emarginatum | C 1996 |
| 292 | eriocarpum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 293 | erosipetalum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 294 | erosum sp | subgenus Hymenanthes, section Pontica, subsection Barbata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Barbata | C 1996 |
| 295 | esetulosum sp | subgenus Hymenanthes, section Pontica, subsection Selensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Selensia | C 1996 |
| 296 | euadenium var | subgenus Hymenanthes, section Pontica, subsection Glischra, sp. crinigerum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra, sp. crinigerum | C 1996 |
| 297 | euchroum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 298 | eudoxum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. eudoxum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. eudoxum | C 1996 |
| 299 | eudoxum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 300 | exasperatum sp | subgenus Hymenanthes, section Pontica, subsection Barbata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Barbata | C 1996 |
| 301 | excellens sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 302 | eximium ssp | subgenus Hymenanthes, section Pontica, subsection Falconera, sp. falconeri | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera, sp. falconeri | C 1996 |
| 303 | expositum var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. gaultheriifolium | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. gaultheriifolium | C 1996 |
| 304 | exquisitum var | subgenus Hymenanthes, section Pontica, subsection Maculifera, sp. sikangense | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera, sp. sikangense | C 1996 |
| 305 | extrorsum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 306 | exuberans sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 307 | eymae sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 308 | faberi sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 309 | facetum sp | subgenus Hymenanthes, section Pontica, subsection Parishia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Parishia | C 1996 |
| 310 | falconeri sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 311 | falconeri ssp | subgenus Hymenanthes, section Pontica, subsection Falconera, sp. falconeri | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera, sp. falconeri | C 1996 |
| 312 | fallacinum sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 313 | fargesii var | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. oreodoxa | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. oreodoxa | C 1996 |
| 314 | farrerae sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 315 | fastigiatum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 316 | faucium sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 317 | fauriei ssp | subgenus Hymenanthes, section Pontica, subsection Pontica, sp. brachycarpum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica, sp. brachycarpum | C 1996 |
| 318 | ferrugineum sp | subgenus Rhododendron, section Rhododendron, subsection Rhododendron | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Rhododendron | C 1996 |
| 319 | fictolacteum ssp | subgenus Hymenanthes, section Pontica, subsection Falconera, sp. rex | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera, sp. rex | C 1996 |
| 320 | flammeum sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 321 | flavantherum sp | subgenus Rhododendron, section Rhododendron, subsection Monantha | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Monantha | C 1996 |
| 322 | flavidum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 323 | flaviflorum var | subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. zaleucum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. zaleucum | C 1996 |
| 324 | flavorufum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. aganniphum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. aganniphum | C 1996 |
| 325 | flavoviride sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 326 | fletcherianum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 327 | flinckii sp | subgenus Hymenanthes, section Pontica, subsection Lanata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Lanata | C 1996 |
| 328 | floccigerum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 329 | floribundum sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 330 | formosanum sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 331 | formosum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 332 | formosum var | subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. formosum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. formosum | C 1996 |
| 333 | forrestii sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 334 | forrestiiB ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. forrestii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. forrestii | C 1996 |
| 335 | fortunans sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 336 | fortunei ssp | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. fortunei | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. fortunei | C 1996 |
| 337 | fortunei sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 338 | fragariiflorum sp | subgenus Rhododendron, section Rhododendron, subsection Fragariflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Fragariflora | C 1996 |
| 339 | fragrans sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 340 | fragrans sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 341 | frey-wysslingii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 342 | fulgens sp | subgenus Hymenanthes, section Pontica, subsection Fulgensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fulgensia | C 1996 |
| 343 | fulvoides ssp | subgenus Hymenanthes, section Pontica, subsection Fulva, sp. fulvum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fulva, sp. fulvum | C 1996 |
| 344 | fulvum ssp | subgenus Hymenanthes, section Pontica, subsection Fulva, sp. fulvum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fulva, sp. fulvum | C 1996 |
| 345 | fulvum sp | subgenus Hymenanthes, section Pontica, subsection Fulva | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fulva | C 1996 |
| 346 | fumidum var | subgenus Rhododendron, section Rhododendron, subsection Heliolepida, sp. heliolepis | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Heliolepida, sp. heliolepis | C 1996 |
| 347 | galactinum sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 348 | gardenia sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 349 | gaultheriifolium sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 350 | genestierianum sp | subgenus Rhododendron, section Rhododendron, subsection Genestieriana | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Genestieriana | C 1996 |
| 351 | gideonii sp | subgenus Rhododendron, section Vireya, subsection Siphonovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Siphonovireya | C 1996 |
| 352 | gilliardii sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 353 | gilvum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. temenium | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. temenium | C 1996 |
| 354 | giulianetti sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 355 | glabrifilum var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. macgregoriae | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. macgregoriae | C 1996 |
| 356 | glabriflorum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 357 | glanduliferum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 358 | glandulosum ssp | subgenus Therorhodion, sp. camtschaticum | GEH 2005 |
| subgenus Therorhodion, sp. camtschaticum | C 1996 |
| 359 | glaucophyllum sp | subgenus Rhododendron, section Rhododendron, subsection Glauca | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca | C 1996 |
| 360 | glaucophyllum var | subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. glaucophyllum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. glaucophyllum | C 1996 |
| 361 | glischroides sp | subgenus Hymenanthes, section Pontica, subsection Glischra | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra | C 1996 |
| 362 | glischrum ssp | subgenus Hymenanthes, section Pontica, subsection Glischra, sp. glischrum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra, sp. glischrum | C 1996 |
| 363 | glischrum sp | subgenus Hymenanthes, section Pontica, subsection Glischra | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra | C 1996 |
| 364 | gongshanense sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 365 | goodenoughii sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 366 | gracilentum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 367 | grande sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 368 | gratum ssp | subgenus Hymenanthes, section Pontica, subsection Falconera, sp. rex | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera, sp. rex | C 1996 |
| 369 | griersonianum sp | subgenus Hymenanthes, section Pontica, subsection Griersoniana | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Griersoniana | C 1996 |
| 370 | griffithianum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 371 | griseum var | subgenus Hymenanthes, section Pontica, subsection Fulva, sp. uvariifolium | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fulva, sp. uvariifolium | C 1996 |
| 372 | groenlandicum sp | subgenus Rhododendron, section Rhododendron, subsection Leda | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Leda | C 1996 |
| 373 | gunsalamianum var | subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. lamrialianum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. lamrialianum | C 1996 |
| 374 | habbemae sp | subgenus Rhododendron, section Vireya, subsection Siphonovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Siphonovireya | C 1996 |
| 375 | habrotrichum sp | subgenus Hymenanthes, section Pontica, subsection Glischra | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra | C 1996 |
| 376 | haemaleum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. sanguineum, ssp. sanguineum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. sanguineum, ssp. sanguineum | C 1996 |
| 377 | haematodes ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. haematodes | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. haematodes | C 1996 |
| 378 | haematodes sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 379 | haematophthalmum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 380 | hameliiflorum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 381 | hanceanum sp | subgenus Rhododendron, section Rhododendron, subsection Tephropepla | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Tephropepla | C 1996 |
| 382 | hancockii sp | subgenus Choniastrum | GEH 2005 |
| subgenus Azaleastrum, section Choniastrum | C 1996 |
| 383 | haofui sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 384 | hardyi ssp | subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. augustinii | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. augustinii | C 1996 |
| 385 | hartleyi sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 386 | hatamense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 387 | heliolepis sp | subgenus Rhododendron, section Rhododendron, subsection Heliolepida | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Heliolepida | C 1996 |
| 388 | heliolepis var | subgenus Rhododendron, section Rhododendron, subsection Heliolepida, sp. heliolepis | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Heliolepida, sp. heliolepis | C 1996 |
| 389 | hellwigii sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 390 | helodes sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 391 | hemidartum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. pocophorum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. pocophorum | C 1996 |
| 392 | hemitrichotum sp | subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | C 1996 |
| 393 | hemsleyanum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 394 | heptamerum ssp | subgenus Hymenanthes, section Pontica, subsection Pontica, sp. degronianum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica, sp. degronianum | C 1996 |
| 395 | heptamerum var | subgenus Hymenanthes, section Pontica, subsection Pontica, sp. degronianum, ssp. heptamerum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica, sp. degronianum, ssp. heptamerum | C 1996 |
| 396 | herzogii sp | subgenus Rhododendron, section Vireya, subsection Siphonovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Siphonovireya | C 1996 |
| 397 | heusseri var | subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. jasminiflorum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. jasminiflorum | C 1996 |
| 398 | hidakanum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 399 | himantodes sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 400 | himertum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. sanguineum, ssp. sanguineum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. sanguineum, ssp. sanguineum | C 1996 |
| 401 | hippophaeoides var | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. hippophaeoides | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. hippophaeoides | C 1996 |
| 402 | hippophaeoides sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 403 | hirsutum ssp | subgenus Rhododendron, section Vireya, subsection Vireya, sp. aurigeratum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. aurigeratum | C 1996 |
| 404 | hirsutum sp | subgenus Rhododendron, section Rhododendron, subsection Rhododendron | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Rhododendron | C 1996 |
| 405 | hirtipes sp | subgenus Hymenanthes, section Pontica, subsection Selensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Selensia | C 1996 |
| 406 | hirtolepidotum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 407 | hodgsonii sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 408 | hondoense var | subgenus Hymenanthes, section Pontica, subsection Pontica, sp. degronianum, ssp. heptamerum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica, sp. degronianum, ssp. heptamerum | C 1996 |
| 409 | hongkongense sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Azaleastrum, section Azaleastrum | C 1996 |
| 410 | hooglandii sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 411 | hookeri sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 412 | horaeum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. citriniflorum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. citriniflorum | C 1996 |
| 413 | horlickianum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 414 | huianum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 415 | hunnewellianum sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 416 | hyacinthosmum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 417 | hylaeum sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 418 | hypenanthum ssp | subgenus Rhododendron, section Pogonanthum, sp. anthopogon | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum, sp. anthopogon | C 1996 |
| 419 | hyperythrum sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 420 | hypoclaucum ssp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla, sp. argyrophyllum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla, sp. argyrophyllum | C 1996 |
| 421 | hypolepidotum ssp | subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. brachyanthum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. brachyanthum | C 1996 |
| 422 | hypoleucum sp | subgenus Rhododendron, section Rhododendron, subsection Leda | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Leda | C 1996 |
| 423 | hypopytis var | subgenus Hymenanthes, section Pontica, subsection Pontica, sp. aureum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica, sp. aureum | C 1996 |
| 424 | impeditum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 425 | imperator sp | subgenus Rhododendron, section Rhododendron, subsection Uniflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Uniflora | C 1996 |
| 426 | impositum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 427 | impressopunctatum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 428 | inaequale var | subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. formosum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. formosum | C 1996 |
| 429 | incommodum sp | subgenus Rhododendron, section Vireya, subsection Siphonovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Siphonovireya | C 1996 |
| 430 | inconspicuum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 431 | indicum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 432 | infrapilosum var | subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | C 1996 |
| 433 | inopinum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 434 | insculptum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 435 | insigne sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 436 | insulare var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. wrightianum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. wrightianum | C 1996 |
| 437 | intermedium var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | C 1996 |
| 438 | intranervatum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 439 | intricatum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 440 | inundatum sp | subgenus Rhododendron, section Vireya, subsection Siphonovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Siphonovireya | C 1996 |
| 441 | iodes var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. alutaceum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. alutaceum | C 1996 |
| 442 | irroratum sp | subgenus Hymenanthes, section Pontica, subsection Irrorata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata | C 1996 |
| 443 | irroratum ssp | subgenus Hymenanthes, section Pontica, subsection Irrorata, sp. irroratum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata, sp. irroratum | C 1996 |
| 444 | japonicum ssp | subgenus Hymenanthes, section Pentanthera, sp. molle | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Sinensia, sp. molle | C 1996 |
| 445 | jasminiflorum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 446 | javanicum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 447 | johnstoneanum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 448 | jucundum ssp | subgenus Hymenanthes, section Pontica, subsection Selensia, sp. dasycladoides | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Selensia, sp. dasycladoides | C 1996 |
| 449 | kaempferi sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 450 | kanehirai sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 451 | kasoense sp | subgenus Rhododendron, section Rhododendron, subsection Monantha | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Monantha | C 1996 |
| 452 | kawakamii sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 453 | keiskei sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 454 | keleticum ssp | subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. calostrotum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. calostrotum | C 1996 |
| 455 | kemulense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 456 | kendrickii sp | subgenus Hymenanthes, section Pontica, subsection Irrorata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata | C 1996 |
| 457 | kerowagiense sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 458 | kesangiae var | subgenus Hymenanthes, section Pontica, subsection Grandia, sp. kesangiae | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia, sp. kesangiae | C 1996 |
| 459 | kesangiae sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 460 | keysii sp | subgenus Rhododendron, section Rhododendron, subsection Cinnabarina | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Cinnabarina | C 1996 |
| 461 | kinabaluense var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. rugosum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. rugosum | C 1996 |
| 462 | kiusianum var | subgenus Azaleastrum, section Tsutsusi, sp. kiusianum | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi, sp. kiusianum | C 1996 |
| 463 | kiusianum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 464 | kiyosumense sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 465 | kochii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 466 | kongboense sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 467 | konori sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 468 | kyawii sp | subgenus Hymenanthes, section Pontica, subsection Parishia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Parishia | C 1996 |
| 469 | kyomaruense var | subgenus Hymenanthes, section Pontica, subsection Pontica, sp. degronianum, ssp. heptamerum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica, sp. degronianum, ssp. heptamerum | C 1996 |
| 470 | lacteum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 471 | laetum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 472 | lagopus var | subgenus Azaleastrum, section Tsutsusi, sp. nudipes, ssp. niphophilum | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx, sp. nudipes, ssp. niphophilum | C 1996 |
| 473 | lagunculicarpum sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 474 | lakekamuensis ssp | subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. loranthiflorum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. loranthiflorum | C 1996 |
| 475 | lambianum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 476 | lamii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 477 | lampongum sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 478 | lamrialianum sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 479 | lanatoides sp | subgenus Hymenanthes, section Pontica, subsection Lanata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Lanata | C 1996 |
| 480 | lanatum sp | subgenus Hymenanthes, section Pontica, subsection Lanata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Lanata | C 1996 |
| 481 | lanceolatoides var | subgenus Rhododendron, section Vireya, subsection Phaeovireya, sp. delicatulum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya, sp. delicatulum | C 1996 |
| 482 | lanceolatum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 483 | langbianense sp | subgenus Hymenanthes, section Pontica, subsection Irrorata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata | C 1996 |
| 484 | lanigerum sp | subgenus Hymenanthes, section Pontica, subsection Arborea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea | C 1996 |
| 485 | lapponicum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 486 | latoucheae sp | subgenus Choniastrum | GEH 2005 |
| subgenus Azaleastrum, section Choniastrum | C 1996 |
| 487 | laudandum sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 488 | laudandum var | subgenus Rhododendron, section Pogonanthum, sp. laudandum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum, sp. laudandum | C 1996 |
| 489 | lavandulifolium var | subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. himantodes | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. himantodes | C 1996 |
| 490 | laxiflorum ssp | subgenus Hymenanthes, section Pontica, subsection Irrorata, sp. annae | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata, sp. annae | C 1996 |
| 491 | leiboense sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 492 | lepidostylum sp | subgenus Rhododendron, section Rhododendron, subsection Trichoclada | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Trichoclada | C 1996 |
| 493 | lepidotum sp | subgenus Rhododendron, section Rhododendron, subsection Lepidota | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lepidota | C 1996 |
| 494 | leptanthum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 495 | leptobrachion sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 496 | leptocarpum sp | subgenus Rhododendron, section Rhododendron, subsection Boothia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Boothia | C 1996 |
| 497 | leptocladon sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 498 | leptomorphum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 499 | leptothrium sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Azaleastrum, section Azaleastrum | C 1996 |
| 500 | leucaspis sp | subgenus Rhododendron, section Rhododendron, subsection Boothia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Boothia | C 1996 |
| 501 | leucogigas sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 502 | levinei sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 503 | levistratum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. phaeochrysum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. phaeochrysum | C 1996 |
| 504 | leytense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 505 | liliiflorum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 506 | lindaueanum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 507 | lindleyi sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 508 | lineare sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 509 | loboense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 510 | lochiae sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 511 | loerzingii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 512 | loheri var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. leytense | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. leytense | C 1996 |
| 513 | lompohense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 514 | longesquamatum sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 515 | longiflorum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 516 | longipes var | subgenus Hymenanthes, section Pontica, subsection Argyrophylla, sp. longipes | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla, sp. longipes | C 1996 |
| 517 | longipes sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 518 | longipetalum var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. longiflorum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. longiflorum | C 1996 |
| 519 | longistylum sp | subgenus Rhododendron, section Rhododendron, subsection Tephropepla | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Tephropepla | C 1996 |
| 520 | lopsangianum ssp | subgenus Hymenanthes, section Pontica, subsection Thomsonia, sp. thomsonii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia, sp. thomsonii | C 1996 |
| 521 | loranthiflorum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 522 | lowii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 523 | lowndesii sp | subgenus Rhododendron, section Rhododendron, subsection Lepidota | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lepidota | C 1996 |
| 524 | luciferum sp | subgenus Hymenanthes, section Pontica, subsection Lanata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Lanata | C 1996 |
| 525 | ludlowii sp | subgenus Rhododendron, section Rhododendron, subsection Uniflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Uniflora | C 1996 |
| 526 | ludwigianum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 527 | luraluense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 528 | luteiflorum sp | subgenus Rhododendron, section Rhododendron, subsection Glauca | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca | C 1996 |
| 529 | luteosquamatum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 530 | lutescens sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 531 | luteum sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 532 | lyi sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 533 | macabeanum sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 534 | macgregoriae sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 535 | macrophyllum sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 536 | macrosiphon sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 537 | maculiferum sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 538 | maddenii sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 539 | maddenii ssp | subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. maddenii | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. maddenii | C 1996 |
| 540 | madulidii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 541 | magnificum sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 542 | maguanense sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 543 | maius sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 544 | maiusculum var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. pulleanum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. pulleanum | C 1996 |
| 545 | makinoi sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 546 | malayanum sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 547 | malindangense var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | C 1996 |
| 548 | mallotum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 549 | mariesii sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 550 | marivelesense var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | C 1996 |
| 551 | martinianum sp | subgenus Hymenanthes, section Pontica, subsection Selensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Selensia | C 1996 |
| 552 | maximum sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 553 | maxwellii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 554 | mayebarae sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 555 | mayrii var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. macgregoriae | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. macgregoriae | C 1996 |
| 556 | meddianum var | subgenus Hymenanthes, section Pontica, subsection Thomsonia, sp. meddianum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia, sp. meddianum | C 1996 |
| 557 | meddianum sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 558 | megacalyx sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 559 | megeratum sp | subgenus Rhododendron, section Rhododendron, subsection Boothia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Boothia | C 1996 |
| 560 | meijeri sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 561 | mekongense sp | subgenus Rhododendron, section Rhododendron, subsection Trichoclada | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Trichoclada | C 1996 |
| 562 | mekongense var | subgenus Rhododendron, section Rhododendron, subsection Trichoclada, sp. mekongense | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Trichoclada, sp. mekongense | C 1996 |
| 563 | melantherum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 564 | meliphagidum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 565 | mendumiae sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 566 | mesopolium var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. eudoxum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. eudoxum | C 1996 |
| 567 | micranthum sp | subgenus Rhododendron, section Rhododendron, subsection Micrantha | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Micrantha | C 1996 |
| 568 | microcarpum var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. cuneifolium | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. cuneifolium | C 1996 |
| 569 | microgynum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 570 | microleucum var | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. orthocladum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. orthocladum | C 1996 |
| 571 | micromalayanum sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 572 | microphyllum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 573 | microphyton sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 574 | mimetes sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 575 | mimetes var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. mimetes | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. mimetes | C 1996 |
| 576 | minahasae var | subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. radians | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. radians | C 1996 |
| 577 | mindanaense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 578 | miniatum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 579 | miniforme var | subgenus Hymenanthes, section Pontica, subsection Falconera, sp. rex, ssp. fictolacteum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera, sp. rex, ssp. fictolacteum | C 1996 |
| 580 | minus var | subgenus Rhododendron, section Rhododendron, subsection Caroliniana, sp. minus | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Caroliniana, sp. minus | C 1996 |
| 581 | minus sp | subgenus Rhododendron, section Rhododendron, subsection Caroliniana | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Caroliniana | C 1996 |
| 582 | mogeanum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 583 | molle sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Sinensia | C 1996 |
| 584 | molle ssp | subgenus Hymenanthes, section Pentanthera, sp. molle | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Sinensia, sp. molle | C 1996 |
| 585 | mollianum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 586 | mollicomum sp | subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | C 1996 |
| 587 | monanthum sp | subgenus Rhododendron, section Rhododendron, subsection Monantha | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Monantha | C 1996 |
| 588 | monkoboense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 589 | montroseanum sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 590 | morii sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 591 | moulmainense sp | subgenus Choniastrum | GEH 2005 |
| subgenus Azaleastrum, section Choniastrum | C 1996 |
| 592 | moupinense sp | subgenus Rhododendron, section Rhododendron, subsection Moupinensia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Moupinensia | C 1996 |
| 593 | mucronatum var | subgenus Azaleastrum, section Tsutsusi, sp. mucronatum | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi, sp. mucronatum | C 1996 |
| 594 | mucronatum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 595 | mucronulatum var | subgenus Rhododendron, section Rhododendron, subsection Rhodorastra, sp. mucronulatum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Rhodorastra, sp. mucronulatum | C 1996 |
| 596 | mucronulatum sp | subgenus Rhododendron, section Rhododendron, subsection Rhodorastra | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Rhodorastra | C 1996 |
| 597 | muliense var | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. rupicola | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. rupicola | C 1996 |
| 598 | multicolor sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 599 | multinervium sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 600 | muscicola sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 601 | myiagrum var | subgenus Hymenanthes, section Pontica, subsection Campylocarpa, sp. callimorphum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campylocarpa, sp. callimorphum | C 1996 |
| 602 | myrsinites sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 603 | myrtifolium sp | subgenus Rhododendron, section Rhododendron, subsection Rhododendron | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Rhododendron | C 1996 |
| 604 | nakaharae sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 605 | nankingense ssp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla, sp. argyrophyllum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla, sp. argyrophyllum | C 1996 |
| 606 | nanophyton sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 607 | natalicium sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 608 | neobritannicum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 609 | neoglandulosum sp | subgenus Rhododendron, section Rhododendron, subsection Leda | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Leda | C 1996 |
| 610 | neriiflorum ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. neriiflorum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. neriiflorum | C 1996 |
| 611 | neriiflorum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 612 | neriifolium sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 613 | nervulosum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 614 | nieuwenhuisii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 615 | nigroglandulosum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 616 | nilagiricum ssp | subgenus Hymenanthes, section Pontica, subsection Arborea, sp. arboreum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea, sp. arboreum | C 1996 |
| 617 | niphophilum ssp | subgenus Azaleastrum, section Tsutsusi, sp. nudipes | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx, sp. nudipes | C 1996 |
| 618 | nipponicum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Pentanthera, section Viscidula | C 1996 |
| 619 | nitidulum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 620 | nitidulum var | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. nitidulum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. nitidulum | C 1996 |
| 621 | nivale sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 622 | nivale ssp | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. nivale | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. nivale | C 1996 |
| 623 | niveoflorum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 624 | niveum sp | subgenus Hymenanthes, section Pontica, subsection Arborea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea | C 1996 |
| 625 | noriakianum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 626 | nortoniae sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 627 | nubicola var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. culminicolum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. culminicolum | C 1996 |
| 628 | nudipes sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 629 | nudipes ssp | subgenus Azaleastrum, section Tsutsusi, sp. nudipes | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx, sp. nudipes | C 1996 |
| 630 | nummatum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 631 | nuttallii sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 632 | oblongifolium var | subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. jasminiflorum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. jasminiflorum | C 1996 |
| 633 | obscurum sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 634 | occidentale sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 635 | occidentale var | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. hippophaeoides | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. hippophaeoides | C 1996 |
| 636 | ochraceum sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 637 | oldhamii sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 638 | oleifolium ssp | subgenus Rhododendron, section Rhododendron, subsection Virgata, sp. virgatum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Virgata, sp. virgatum | C 1996 |
| 639 | oliganthum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 640 | oligocarpum sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 641 | omeiense ssp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla, sp. argyrophyllum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla, sp. argyrophyllum | C 1996 |
| 642 | omeiense var | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. nitidulum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. nitidulum | C 1996 |
| 643 | ootrichum var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. rarilepidotum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. rarilepidotum | C 1996 |
| 644 | openshawianum var | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. calophytum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. calophytum | C 1996 |
| 645 | opulentum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 646 | orbiculare ssp | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. orbiculare | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. orbiculare | C 1996 |
| 647 | orbiculare sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 648 | orbiculatum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 649 | oreadum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 650 | oreites sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 651 | oreodoxa var | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. oreodoxa | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. oreodoxa | C 1996 |
| 652 | oreodoxa sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 653 | oreonastes var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. roxieanum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. roxieanum | C 1996 |
| 654 | oreotrephes sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 655 | orthocladum var | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. orthocladum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. orthocladum | C 1996 |
| 656 | orthocladum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 657 | ovatum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Azaleastrum, section Azaleastrum | C 1996 |
| 658 | oxycoccoides sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 659 | pachycarpon sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 660 | pachypodum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 661 | pachysanthum sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 662 | pachystigma sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 663 | pachytrichum sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 664 | palawanense ssp | subgenus Rhododendron, section Vireya, subsection Vireya, sp. javanicum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. javanicum | C 1996 |
| 665 | papillatum ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. forrestii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. forrestii | C 1996 |
| 666 | papuanum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 667 | paradoxum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 668 | parmulatum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 669 | parvulum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 670 | pauciflorum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 671 | pauciflorum var | subgenus Rhododendron, section Rhododendron, subsection Scabrifolia, sp. scabrifolium | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Scabrifolia, sp. scabrifolium | C 1996 |
| 672 | pemakoense sp | subgenus Rhododendron, section Rhododendron, subsection Uniflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Uniflora | C 1996 |
| 673 | pendulum sp | subgenus Rhododendron, section Rhododendron, subsection Edgeworthia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Edgeworthia | C 1996 |
| 674 | pennivenium var | subgenus Hymenanthes, section Pontica, subsection Irrorata, sp. tanastylum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata, sp. tanastylum | C 1996 |
| 675 | pentaphyllum sp | subgenus Azaleastrum, section Sciadorhodion | GEH 2005 |
| subgenus Pentanthera, section Sciadorhodion | C 1996 |
| 676 | perakense sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 677 | peramoenum var | subgenus Hymenanthes, section Pontica, subsection Arborea, sp. arboreum, ssp. delavayi | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea, sp. arboreum, ssp. delavayi | C 1996 |
| 678 | periclymenoides sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 679 | perplexum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 680 | petrocharis sp | subgenus Rhododendron, section Rhododendron, subsection Moupinensia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Moupinensia | C 1996 |
| 681 | petrophilum var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. nanophyton | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. nanophyton | C 1996 |
| 682 | phaedropum ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. neriiflorum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. neriiflorum | C 1996 |
| 683 | phaeochitum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 684 | phaeochristum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 685 | phaeochrysum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 686 | phaeochrysum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. phaeochrysum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. phaeochrysum | C 1996 |
| 687 | phaeopeplum var | subgenus Rhododendron, section Vireya, subsection Phaeovireya, sp. konori | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya, sp. konori | C 1996 |
| 688 | phaeops sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 689 | piercei sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 690 | pilosifilum var | subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | C 1996 |
| 691 | pingianum sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 692 | platyphyllum ssp | subgenus Rhododendron, section Pogonanthum, sp. cephalanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum, sp. cephalanthum | C 1996 |
| 693 | platypodum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 694 | pleianthum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 695 | pneumonanthum ssp | subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. edanoi | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. edanoi | C 1996 |
| 696 | pocophorum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. pocophorum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. pocophorum | C 1996 |
| 697 | pocophorum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 698 | pogonostylum ssp | subgenus Hymenanthes, section Pontica, subsection Irrorata, sp. irroratum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata, sp. irroratum | C 1996 |
| 699 | polyanthemum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 700 | polycladum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 701 | polylepis sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 702 | ponticum sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 703 | poremense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 704 | porphyranthes sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 705 | poukhanense var | subgenus Azaleastrum, section Tsutsusi, sp. yedoense | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi, sp. yedoense | C 1996 |
| 706 | praestans sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 707 | praeteritum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 708 | praetervisum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 709 | praevernum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 710 | prainianum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 711 | prattii sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 712 | preptum sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 713 | primuliflorum sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 714 | principis sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 715 | prinophyllum sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 716 | proliferum sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 717 | pronum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 718 | protandrum sp | subgenus Rhododendron, section Vireya, subsection Siphonovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Siphonovireya | C 1996 |
| 719 | proteoides sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 720 | protistum sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 721 | pruniflorum sp | subgenus Rhododendron, section Rhododendron, subsection Glauca | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca | C 1996 |
| 722 | prunifolium sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 723 | przewalskii sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 724 | przewalskii ssp | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. przewalskii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. przewalskii | C 1996 |
| 725 | psammogenes sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 726 | pseudobuxifolium sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 727 | pseudochrysanthum sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 728 | pseudociliipes sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 729 | pseudomurudense sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 730 | pseudotricanthum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 731 | psilanthum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 732 | pubens var | subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. malayanum | C 1996 |
| 733 | pubescens sp | subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | C 1996 |
| 734 | pubigermen sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 735 | pubitubum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 736 | pudorinum sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 737 | pudorosum sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 738 | pulleanum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 739 | pumilum sp | subgenus Rhododendron, section Rhododendron, subsection Uniflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Uniflora | C 1996 |
| 740 | punctatum var | subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. jasminiflorum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. jasminiflorum | C 1996 |
| 741 | puralbum var | subgenus Hymenanthes, section Pontica, subsection Campylocarpa, sp. wardii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campylocarpa, sp. wardii | C 1996 |
| 742 | purdomii sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 743 | purpureiflorum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 744 | pusillum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 745 | pyrrhophorum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 746 | quadrasianum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 747 | quinquefolium sp | subgenus Azaleastrum, section Sciadorhodion | GEH 2005 |
| subgenus Pentanthera, section Sciadorhodion | C 1996 |
| 748 | racemosum sp | subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | C 1996 |
| 749 | radians sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 750 | ramsdenianum sp | subgenus Hymenanthes, section Pontica, subsection Irrorata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata | C 1996 |
| 751 | rappardii sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 752 | rarilepidotum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 753 | rarum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 754 | recurvoides sp | subgenus Hymenanthes, section Pontica, subsection Glischra | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra | C 1996 |
| 755 | redowskianum sp | subgenus Therorhodion | GEH 2005 |
| subgenus Therorhodion | C 1996 |
| 756 | reevei sp | subgenus Rhododendron, section Vireya, subsection Siphonovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Siphonovireya | C 1996 |
| 757 | renschianum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 758 | reticulatum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 759 | retivenium sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 760 | retrorsipilum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 761 | retusum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 762 | revolutum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 763 | rex ssp | subgenus Hymenanthes, section Pontica, subsection Falconera, sp. rex | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera, sp. rex | C 1996 |
| 764 | rex sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 765 | reynosoi sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 766 | rhabdotum var | subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. dalhousiae | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia, sp. dalhousiae | C 1996 |
| 767 | rhodochroum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 768 | rhodoleucum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 769 | rhodopus sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 770 | rhodosalpinx sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 771 | rhodostomum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 772 | rigidum sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 773 | riparioides ssp | subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. calostrotum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. calostrotum | C 1996 |
| 774 | riparium ssp | subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. calostrotum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. calostrotum | C 1996 |
| 775 | ripense sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 776 | ripleyi sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 777 | ririei sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 778 | robinsonii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 779 | roseatum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 780 | roseiflorum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 781 | rosendahlii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 782 | roseum var | subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. suaveolens | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya, sp. suaveolens | C 1996 |
| 783 | roseum var | subgenus Hymenanthes, section Pontica, subsection Arborea, sp. arboreum, ssp. cinnamomeum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea, sp. arboreum, ssp. cinnamomeum | C 1996 |
| 784 | rosmarinifolium var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | C 1996 |
| 785 | rothschildii sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 786 | rousei sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 787 | roxieanum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. roxieanum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. roxieanum | C 1996 |
| 788 | roxieanum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 789 | rubellum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 790 | rubiginosum sp | subgenus Rhododendron, section Rhododendron, subsection Heliolepida | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Heliolepida | C 1996 |
| 791 | rubineiflorum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 792 | rubrobracteatum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 793 | rubrolineatum var | subgenus Rhododendron, section Rhododendron, subsection Trichoclada, sp. mekongense | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Trichoclada, sp. mekongense | C 1996 |
| 794 | rubropilosum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 795 | rubrum ssp | subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. augustinii | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. augustinii | C 1996 |
| 796 | rude ssp | subgenus Hymenanthes, section Pontica, subsection Glischra, sp. glischrum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra, sp. glischrum | C 1996 |
| 797 | rufum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 798 | rugosum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 799 | rupicola var | subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. rupicola | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica, sp. rupicola | C 1996 |
| 800 | rupicola sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 801 | rupivalleculatum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 802 | rushforthii sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 803 | russatum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 804 | russotinctum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. alutaceum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. alutaceum | C 1996 |
| 805 | ruttenii sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 806 | sabahense ssp | subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. durionifolium | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya, sp. durionifolium | C 1996 |
| 807 | salicifolium sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 808 | saluenense sp | subgenus Rhododendron, section Rhododendron, subsection Saluenensia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Saluenensia | C 1996 |
| 809 | saluenense ssp | subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. saluenense | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Saluenensia, sp. saluenense | C 1996 |
| 810 | sanctum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 811 | sanguineum ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. sanguineum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. sanguineum | C 1996 |
| 812 | sanguineum sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 813 | sanguineum var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. sanguineum, ssp. sanguineum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. sanguineum, ssp. sanguineum | C 1996 |
| 814 | santapaui sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 815 | sarcodes sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 816 | sargentianum sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 817 | saruwagedicum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 818 | sataense var | subgenus Azaleastrum, section Tsutsusi, sp. kiusianum | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi, sp. kiusianum | C 1996 |
| 819 | saxicolum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 820 | saxifragoides sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 821 | sayeri sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 822 | scabridibracteum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 823 | scabrifolium sp | subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | C 1996 |
| 824 | scabrifolium var | subgenus Rhododendron, section Rhododendron, subsection Scabrifolia, sp. scabrifolium | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Scabrifolia, sp. scabrifolium | C 1996 |
| 825 | scabrum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 826 | scarlatinum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 827 | schadenbergii ssp | subgenus Rhododendron, section Vireya, subsection Vireya, sp. javanicum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. javanicum | C 1996 |
| 828 | schizostigma sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 829 | schlechteri sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 830 | schlippenbachii sp | subgenus Azaleastrum, section Sciadorhodion | GEH 2005 |
| subgenus Pentanthera, section Sciadorhodion | C 1996 |
| 831 | schoddei sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 832 | scopulorum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 833 | scortechinii sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 834 | scyphocalyx ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. dichroanthum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. dichroanthum | C 1996 |
| 835 | searleanum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 836 | searsiae sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 837 | seimundii sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 838 | seinghkuense sp | subgenus Rhododendron, section Rhododendron, subsection Edgeworthia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Edgeworthia | C 1996 |
| 839 | selebicum var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. quadrasianum | C 1996 |
| 840 | selense ssp | subgenus Hymenanthes, section Pontica, subsection Selensia, sp. selense | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Selensia, sp. selense | C 1996 |
| 841 | selense sp | subgenus Hymenanthes, section Pontica, subsection Selensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Selensia | C 1996 |
| 842 | semibarbatum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Mumeazalea | C 1996 |
| 843 | semnoides sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 844 | septentrionale ssp | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. dichroanthum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. dichroanthum | C 1996 |
| 845 | seranicum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 846 | serotinum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 847 | serpyllifolium sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 848 | sessilifolium sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 849 | setiferum ssp | subgenus Hymenanthes, section Pontica, subsection Selensia, sp. dasycladoides | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Selensia, sp. dasycladoides | C 1996 |
| 850 | setosum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 851 | shensiense var | subgenus Hymenanthes, section Pontica, subsection Fortunea, sp. oreodoxa | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea, sp. oreodoxa | C 1996 |
| 852 | sherriffii sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 853 | shweliense sp | subgenus Rhododendron, section Rhododendron, subsection Glauca | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca | C 1996 |
| 854 | sichotense sp | subgenus Rhododendron, section Rhododendron, subsection Rhodorastra | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Rhodorastra | C 1996 |
| 855 | sidereum sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 856 | siderophyllum sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 857 | sikangense var | subgenus Hymenanthes, section Pontica, subsection Maculifera, sp. sikangense | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera, sp. sikangense | C 1996 |
| 858 | sikangense sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 859 | simiarum sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 860 | simsii sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 861 | simulans sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 862 | simulans var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. mimetes | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. mimetes | C 1996 |
| 863 | sinofalconeri sp | subgenus Hymenanthes, section Pontica, subsection Falconera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Falconera | C 1996 |
| 864 | sinogrande sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 865 | smirnowii sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 866 | solitarium sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 867 | sororium sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 868 | souliei sp | subgenus Hymenanthes, section Pontica, subsection Campylocarpa | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campylocarpa | C 1996 |
| 869 | spathulatum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 870 | sperabile sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 871 | sperabile var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. sperabile | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. sperabile | C 1996 |
| 872 | sperabiloides sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 873 | sphaeroblastum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 874 | spiciferum var | subgenus Rhododendron, section Rhododendron, subsection Scabrifolia, sp. scabrifolium | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Scabrifolia, sp. scabrifolium | C 1996 |
| 875 | spilotum sp | subgenus Hymenanthes, section Pontica, subsection Glischra | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra | C 1996 |
| 876 | spinuliferum sp | subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Scabrifolia | C 1996 |
| 877 | spondylophyllum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 878 | stamineum sp | subgenus Choniastrum | GEH 2005 |
| subgenus Azaleastrum, section Choniastrum | C 1996 |
| 879 | stapfianum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 880 | stelligerum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 881 | stenopetalum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 882 | stenophyllum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 883 | stevensianum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 884 | stewartianum sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 885 | stolleanum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 886 | stresemanii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 887 | strigillosum sp | subgenus Hymenanthes, section Pontica, subsection Maculifera | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Maculifera | C 1996 |
| 888 | stylotrichum var | subgenus Rhododendron, section Vireya, subsection Phaeovireya, sp. dielsianum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya, sp. dielsianum | C 1996 |
| 889 | suaveolens sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 890 | subansiriense sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 891 | subarcticum sp | subgenus Rhododendron, section Rhododendron, subsection Leda | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Leda | C 1996 |
| 892 | subcordatum var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. longiflorum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. longiflorum | C 1996 |
| 893 | subcrenulatum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 894 | subpacificum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 895 | subsessile sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 896 | subulatum sp | subgenus Rhododendron, section Rhododendron, subsection Leda | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Leda | C 1996 |
| 897 | subuliferum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 898 | subulosum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 899 | succothii sp | subgenus Hymenanthes, section Pontica, subsection Barbata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Barbata | C 1996 |
| 900 | sulfureum sp | subgenus Rhododendron, section Rhododendron, subsection Boothia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Boothia | C 1996 |
| 901 | sumatranum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 902 | superbum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 903 | sutchuenense sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 904 | syringoideum sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 905 | taggianum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 906 | takeuchii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 907 | taliense sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 908 | tamaense ssp | subgenus Rhododendron, section Rhododendron, subsection Cinnabarina, sp. cinnabarinum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Cinnabarina, sp. cinnabarinum | C 1996 |
| 909 | tanastylum var | subgenus Hymenanthes, section Pontica, subsection Irrorata, sp. tanastylum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata, sp. tanastylum | C 1996 |
| 910 | tanastylum sp | subgenus Hymenanthes, section Pontica, subsection Irrorata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata | C 1996 |
| 911 | tapetiforme sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 912 | taquetii var | subgenus Rhododendron, section Rhododendron, subsection Rhodorastra, sp. mucronulatum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Rhodorastra, sp. mucronulatum | C 1996 |
| 913 | tashiroi sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 914 | tatsienense sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 915 | taxifolium sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 916 | taxoides sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 917 | telmateium sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 918 | temenium sp | subgenus Hymenanthes, section Pontica, subsection Neriiflora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora | C 1996 |
| 919 | temenium var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. temenium | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. temenium | C 1996 |
| 920 | temoense var | subgenus Rhododendron, section Pogonanthum, sp. laudandum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum, sp. laudandum | C 1996 |
| 921 | tephropeplum sp | subgenus Rhododendron, section Rhododendron, subsection Tephropepla | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Tephropepla | C 1996 |
| 922 | teysmannii var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. javanicum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. javanicum | C 1996 |
| 923 | thaumasianthum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 924 | thayerianum sp | subgenus Hymenanthes, section Pontica, subsection Argyrophylla | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Argyrophylla | C 1996 |
| 925 | thomsonii ssp | subgenus Hymenanthes, section Pontica, subsection Thomsonia, sp. thomsonii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia, sp. thomsonii | C 1996 |
| 926 | thomsonii sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 927 | thymifolium sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 928 | tolmachevii sp | subgenus Rhododendron, section Rhododendron, subsection Leda | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Leda | C 1996 |
| 929 | tomentosum sp | subgenus Rhododendron, section Rhododendron, subsection Leda | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Leda | C 1996 |
| 930 | tosaense sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 931 | toxopei sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 932 | traillianum sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 933 | traillianum var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. traillianum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. traillianum | C 1996 |
| 934 | trichanthum sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 935 | trichocladum sp | subgenus Rhododendron, section Rhododendron, subsection Trichoclada | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Trichoclada | C 1996 |
| 936 | trichodes var | subgenus Rhododendron, section Vireya, subsection Albovireya, sp. comptum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya, sp. comptum | C 1996 |
| 937 | trichostomum sp | subgenus Rhododendron, section Pogonanthum | GEH 2005 |
| subgenus Rhododendron, section Pogonanthum | C 1996 |
| 938 | trichostylum var | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. retusum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. retusum | C 1996 |
| 939 | triflorum sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 940 | triflorum var | subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. triflorum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. triflorum | C 1996 |
| 941 | triumphans sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 942 | truncicolum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 943 | tsaii sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 944 | tsangpoense ssp | subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. charitopes | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. charitopes | C 1996 |
| 945 | tsariense sp | subgenus Hymenanthes, section Pontica, subsection Lanata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Lanata | C 1996 |
| 946 | tschonoskii sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 947 | tsusiophyllum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Tsutsusi | C 1996 |
| 948 | tuba sp | subgenus Rhododendron, section Vireya, subsection Solenovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Solenovireya | C 1996 |
| 949 | tuberculiferum sp | subgenus Rhododendron, section Vireya, subsection Phaeovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya | C 1996 |
| 950 | tubiforme var | subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. glaucophyllum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Glauca, sp. glaucophyllum | C 1996 |
| 951 | tuhanensis sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 952 | ultimum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 953 | ungernii sp | subgenus Hymenanthes, section Pontica, subsection Pontica | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica | C 1996 |
| 954 | uniflorum sp | subgenus Rhododendron, section Rhododendron, subsection Uniflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Uniflora | C 1996 |
| 955 | uvariifolium var | subgenus Hymenanthes, section Pontica, subsection Fulva, sp. uvariifolium | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fulva, sp. uvariifolium | C 1996 |
| 956 | uvariifolium sp | subgenus Hymenanthes, section Pontica, subsection Fulva | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fulva | C 1996 |
| 957 | vaccinioides sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 958 | valentinianum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 959 | vanderbiltianum sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 960 | vanvuurenii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 961 | variolosum sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 962 | vaseyi sp | subgenus Azaleastrum, section Sciadorhodion | GEH 2005 |
| subgenus Pentanthera, section Rhodora | C 1996 |
| 963 | veitchianum sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 964 | velutinum var | subgenus Rhododendron, section Vireya, subsection Vireya, sp. verticillatum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya, sp. verticillatum | C 1996 |
| 965 | venator sp | subgenus Hymenanthes, section Pontica, subsection Venatora | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Venatora | C 1996 |
| 966 | vernicosum sp | subgenus Hymenanthes, section Pontica, subsection Fortunea | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Fortunea | C 1996 |
| 967 | versteegii sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 968 | verticillatum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 969 | vesiculiferum sp | subgenus Hymenanthes, section Pontica, subsection Glischra | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Glischra | C 1996 |
| 970 | vialii sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Azaleastrum, section Azaleastrum | C 1996 |
| 971 | vidalii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 972 | villosulum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 973 | villosum ssp | subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. borneense | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya, sp. borneense | C 1996 |
| 974 | vinicolor sp | subgenus Rhododendron, section Vireya, subsection Malayovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Malayovireya | C 1996 |
| 975 | vinkii sp | subgenus Rhododendron, section Vireya, subsection Pseudovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Pseudovireya | C 1996 |
| 976 | virgatum ssp | subgenus Rhododendron, section Rhododendron, subsection Virgata, sp. virgatum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Virgata, sp. virgatum | C 1996 |
| 977 | virgatum sp | subgenus Rhododendron, section Rhododendron, subsection Virgata | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Virgata | C 1996 |
| 978 | viridescens sp | subgenus Rhododendron, section Rhododendron, subsection Trichoclada | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Trichoclada | C 1996 |
| 979 | viriosum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 980 | viscidifolium sp | subgenus Hymenanthes, section Pontica, subsection Thomsonia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Thomsonia | C 1996 |
| 981 | viscistylum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 982 | viscosum sp | subgenus Hymenanthes, section Pentanthera | GEH 2005 |
| subgenus Pentanthera, section Pentanthera, subsection Pentanthera | C 1996 |
| 983 | vitis-idaea sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 984 | wadanum sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 985 | wallichii sp | subgenus Hymenanthes, section Pontica, subsection Campanulata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campanulata | C 1996 |
| 986 | walongense sp | subgenus Rhododendron, section Rhododendron, subsection Maddenia | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Maddenia | C 1996 |
| 987 | wardii var | subgenus Hymenanthes, section Pontica, subsection Campylocarpa, sp. wardii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campylocarpa, sp. wardii | C 1996 |
| 988 | wardii sp | subgenus Hymenanthes, section Pontica, subsection Campylocarpa | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Campylocarpa | C 1996 |
| 989 | warianum var | subgenus Rhododendron, section Vireya, subsection Phaeovireya, sp. leptanthum | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Phaeovireya, sp. leptanthum | C 1996 |
| 990 | wasonii sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 991 | watsonii sp | subgenus Hymenanthes, section Pontica, subsection Grandia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Grandia | C 1996 |
| 992 | websterianum sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 993 | weihsiense var | subgenus Hymenanthes, section Pontica, subsection Neriiflora, sp. sperabile | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Neriiflora, sp. sperabile | C 1996 |
| 994 | wenchuanense var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. wasonii | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. wasonii | C 1996 |
| 995 | wentianum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 996 | weyrichii sp | subgenus Azaleastrum, section Tsutsusi | GEH 2005 |
| subgenus Tsutsusi, section Brachycalyx | C 1996 |
| 997 | whiteheadii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 998 | wightii sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 999 | wilkiei sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 1000 | williamsianum sp | subgenus Hymenanthes, section Pontica, subsection Williamsiana | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Williamsiana | C 1996 |
| 1001 | williamsii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 1002 | wiltonii sp | subgenus Hymenanthes, section Pontica, subsection Taliensia | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia | C 1996 |
| 1003 | womersleyi sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 1004 | wrayi sp | subgenus Hymenanthes, section Pontica, subsection Irrorata | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Irrorata | C 1996 |
| 1005 | wrightianum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 1006 | wumengense var | subgenus Hymenanthes, section Pontica, subsection Taliensia, sp. sphaeroblastum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Taliensia, sp. sphaeroblastum | C 1996 |
| 1007 | xanthocodon ssp | subgenus Rhododendron, section Rhododendron, subsection Cinnabarina, sp. cinnabarinum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Cinnabarina, sp. cinnabarinum | C 1996 |
| 1008 | xanthopetalum sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 1009 | xanthostephanum sp | subgenus Rhododendron, section Rhododendron, subsection Tephropepla | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Tephropepla | C 1996 |
| 1010 | xenium sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 1011 | yakushimanum ssp | subgenus Hymenanthes, section Pontica, subsection Pontica, sp. degronianum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Pontica, sp. degronianum | C 1996 |
| 1012 | yelliotii sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |
| 1013 | yongii sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 1014 | yungningense sp | subgenus Rhododendron, section Rhododendron, subsection Lapponica | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Lapponica | C 1996 |
| 1015 | yunnanense sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 1016 | zaleucum sp | subgenus Rhododendron, section Rhododendron, subsection Triflora | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora | C 1996 |
| 1017 | zaleucum var | subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. zaleucum | GEH 2005 |
| subgenus Rhododendron, section Rhododendron, subsection Triflora, sp. zaleucum | C 1996 |
| 1018 | zeylanicum ssp | subgenus Hymenanthes, section Pontica, subsection Arborea, sp. arboreum | GEH 2005 |
| subgenus Hymenanthes, section Ponticum, subsection Arborea, sp. arboreum | C 1996 |
| 1019 | zoelleri sp | subgenus Rhododendron, section Vireya, subsection Vireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Vireya | C 1996 |
| 1020 | zollingeri sp | subgenus Rhododendron, section Vireya, subsection Albovireya | GEH 2005 |
| subgenus Rhododendron, section Vireya, subsection Albovireya | C 1996 |