Rhododendron acrophilum Merr. & Quisumb.
19922768 Wild collected in Philippines
19922773 Wild collected in Philippines
19922784 Wild collected in Philippines
19922785 Wild collected in Philippines
19922786 Wild collected in Philippines
Rhododendron adenogynum Diels
19381023 Wild collected in China
19480012 Cultivated material
19568147 Cultivated material
19577192 Cultivated material
19764107 Cultivated material
19773072 Cultivated from material wild collected in Slovenia
19871535 Wild collected in China
19910668 Wild collected in China
19910873 Wild collected in China
19911825 Wild collected in China
19911985 Wild collected in China
19950348 Wild collected in China
19962428 Cultivated material
19990281 Cultivated material
20031599 Wild collected in China
20031600 Wild collected in China
20140063 Cultivated from material wild collected in China
Rhododendron adenopodum Franch.
19620072 Cultivated material
19698334 Cultivated material
20231956 Cultivated material
20231957 Cultivated material
20232481 Cultivated material
20232484 Cultivated material
Rhododendron adenosum (Cowan & Davidian) Davidian
19300433 Wild collected in China
19698602 Cultivated material
20211859 Cultivated material
20231902 Cultivated from material wild collected in China
20232485 Cultivated material
20234026 Cultivated from material wild collected in China
Rhododendron adinophyllum Merr.
20020804 Wild collected in Indonesia
Rhododendron aequabile J.J.Sm.
19750002 Wild collected in Indonesia
Rhododendron aganniphum Balf.f. & Kingdon-Ward
19950958 Wild collected in China
19952624 Wild collected in China
20050258 Wild collected in China
20071684 Wild collected in China
Rhododendron aganniphum Balf.f. & Kingdon-Ward var. aganniphum
19614570 Cultivated from material wild collected in China
19891253 Cultivated from material wild collected in China
19921362 Wild collected in China
19922886 Wild collected in China
19933364 Wild collected in China
19940835 Wild collected in China
19940836 Wild collected in China
19940837 Wild collected in China
19940838 Wild collected in China
19940839 Wild collected in China
19950301 Wild collected in China
Rhododendron aganniphum var. flavorufum (Balf.f. & Forrest) D.F.Chamb.
19698581 Wild collected in China
19698582 Cultivated material
19922887 Wild collected in China
19924357 Wild collected in China
Rhododendron agathodaemonis J.J.Sm.
20060680 Wild collected in Indonesia
20080989 Wild collected in Indonesia