Rhododendron augustinii × concinnum Hemsl.
19628053 Cultivated material
Rhododendron augustinii subsp. chasmanthum (Diels) Cullen
19568044 Cultivated material
19698381 Cultivated material
19901526 Cultivated from material wild collected in China
19924436 Wild collected in China
19971414 Uncertain
19991844 Cultivated material
Rhododendron aureum × campylocarpum Georgi
19577087 Cultivated material
19578087 Cultivated material
Rhododendron barbatum × campanulatum Wall. ex G.Don
19760142 Wild collected in Nepal
Rhododendron caesium Hutch.
19260139 Wild collected in China
19698427 Wild collected in China
20231849 Cultivated from material wild collected in China
Rhododendron caespitosum Sleumer
19930798 Wild collected in Indonesia
Rhododendron calendulaceum (Michx.) Torr. [hybrid]
20041837 Uncertain
Rhododendron calendulaceum (Michx.) Torr.
19648020 Cultivated material
19648023 Cultivated from material wild collected in United States of America
19701381 Cultivated material
19771140 Wild collected in United States of America
19791536 Wild collected in United States of America
19810645 Wild collected in United States of America
19850593 Wild collected in United States of America
19850594 Wild collected in United States of America
19881619 Wild collected in United States of America
19901187 Wild collected in United States of America
20082095 Wild collected in United States of America
20082096 Wild collected in United States of America
20101122 Wild collected in United States of America
20101124 Wild collected in United States of America
Rhododendron caliginis Kores
19882535 Wild collected in Papua New Guinea
19943024 Cultivated from material wild collected in Papua New Guinea
Rhododendron caliginis × vitis-idaea Kores
19902941 Wild collected in Papua New Guinea