Rhododendron hirtolepidotum J.J.Sm.
20061686 Wild collected in Indonesia
Rhododendron hodgsonii Hook.f. [hybrid]
19371026 Wild collected in India
Rhododendron hodgsonii Hook.f.
19568413 Cultivated material
19577146 Cultivated material
19598036 Cultivated material
19620938 Wild collected in Nepal
19698640 Cultivated material
19720864 Wild collected in Nepal
19760145 Wild collected in Nepal
19782505 Wild collected in Nepal
19813609 Wild collected in Nepal
19850530 Wild collected in Nepal
19902707 Wild collected in Bhutan
19902711 Wild collected in Bhutan
19902809 Wild collected in Bhutan
19971025 Uncertain
20211790 Cultivated from material wild collected in Nepal
Rhododendron hongkongense Hutch.
19710095 Wild collected in Hong Kong
Synonym(s):
Azalea myrtifolia Champ.
Rhododendron hookeri Nutt.
19291007 Wild collected in India
19568417 Cultivated material
20242410 Cultivated from material wild collected in India
Rhododendron horlickianum Davidian
19321007 Wild collected in Myanmar
Rhododendron huanum W.P.Fang
19960686 Wild collected in China
Rhododendron huguangense P.C.Tam
19802225 Wild collected in China
Synonym(s):
Rhododendron hukwangense P.C.Tam
Rhododendron hunnewellianum Rehder & E.H.Wilson subsp. hunnewellianum
19210004 Cultivated material
19568420 Cultivated material
19698651 Cultivated material
20220180 Cultivated from material wild collected in China
Synonym(s):
Rhododendron leucolasium Diels
Rhododendron × huntsteini Argent
20080343 Uncertain