Rhododendron loranthiflorum Sleumer subsp. loranthiflorum 'Dick Shaw'
19830533 Cultivated from material wild collected in Papua New Guinea
Rhododendron orbiculare × dichroanthum Decne. subsp. orbiculare
19577105 Cultivated material
Rhododendron quadrasianum var. davaoense (Copel.f.) Sleumer
19972548 Wild collected in Philippines
Rhododendron sanguineum subsp. didymum (Balf.f. & Forrest) Cowan
19698532 Cultivated material
19699509 Cultivated from material wild collected in China
19764023 Wild collected in China
20022269 Wild collected in China
Rhododendron sanguineum subsp. sanguineum var. didymoides Tagg & Forrest
19712499 Cultivated from material wild collected in China
19730194 Cultivated from material wild collected in China
19730270 Cultivated from material wild collected in China
19730272 Cultivated from material wild collected in China
19730351 Wild collected in Myanmar
19730374 Cultivated from material wild collected in Myanmar
20120836 Cultivated from material wild collected in China
20120848 Cultivated from material wild collected in China
20120849 Cultivated from material wild collected in China
20120892 Cultivated from material wild collected in China
Rhododendron selense subsp. dasycladum (Balf.f. & W.W.Sm.) D.F.Chamb.
19241044 Wild collected in China
19705275 Wild collected in China
19734196 Wild collected in China
19744176 Cultivated material
20170083 Cultivated from material wild collected in China
Rhododendron temenium var. dealbatum (Cowan) D.F.Chamb.
19644193 Wild collected in China
19699602 Wild collected in China
19712566 Cultivated from material wild collected in China
19730199 Cultivated from material wild collected in China
19784061 Wild collected in China
20120875 Cultivated from material wild collected in China
20121351 Cultivated from material wild collected in China
20221023 Cultivated from material wild collected in China
Rhododendron × williamsianum 'P. den Ouden'
19568866 Cultivated material
Rhododendron yakushimanum × decorum Nakai
19901503 Cultivated material