| Rhododendron anagalliflorum Wernham | | a | | Rhododendron anagalliflorumWernham | |
| Rhododendron atropurpureum Sleumer | | a | | Rhododendron atropurpureumSleumer | |
| Rhododendron aurigeranum Sleumer | | a | | Rhododendron aurigeranumSleumer | |
| Rhododendron beyerinckianum Koord. | | a | | Rhododendron beyerinckianumKoord. | |
| Rhododendron christii F. Forst. | | a | | Rhododendron christiiF. Forst. | |
| Rhododendron citrinum (Hassk.) Hassk. | | a | | Rhododendron citrinum(Hassk.) Hassk. | |
| Rhododendron commonae F. Forst. | | a | | Rhododendron commonaeF. Forst. | |
| Rhododendron culminicola F. Muell. | | a | | Rhododendron culminicolaF. Muell. | |
| Rhododendron dielsianum Schltr. | | a | | Rhododendron dielsianumSchltr. | |
| Rhododendron gaultheriifolium J. J. Sm. | | a | | Rhododendron gaultheriifoliumJ. J. Sm. | |
| Rhododendron gracilentum F. Muell. | | a | | Rhododendron gracilentumF. Muell. | |
| Rhododendron hansemannii Warb. | Rhododendron macgregoriae F. Muell. | | | Rhododendron hansemanniiWarb. | Rhododendron macgregoriaeF. Muell. |
| Rhododendron herzogii Warb. | | a | | Rhododendron herzogiiWarb. | |
| Rhododendron inconspicuum J. J. Sm. | | a | | Rhododendron inconspicuumJ. J. Sm. | |
| Rhododendron insculptum Hutch. & Kingdon-Ward | | a | | Rhododendron insculptumHutch. & Kingdon-Ward | |
| Rhododendron invasorium Sleumer | Rhododendron inconspicuum J. J. Sm. | | | Rhododendron invasoriumSleumer | Rhododendron inconspicuumJ. J. Sm. |
| Rhododendron jasminiflorum Hook. | | a | | Rhododendron jasminiflorumHook. | |
| Rhododendron javanicum (Blume) Benn. | | a | | Rhododendron javanicum(Blume) Benn. | |
| Rhododendron kawakamii Hayata | | a | | Rhododendron kawakamiiHayata | |
| Rhododendron konori Becc. | | a | | Rhododendron konoriBecc. | |
| Rhododendron lindaueanum Koord. | | a | | Rhododendron lindaueanumKoord. | |
| Rhododendron lochiae F. Muell. | | a | | Rhododendron lochiaeF. Muell. | |
| Rhododendron longiflorum Lindl. | | a | | Rhododendron longiflorumLindl. | |
| Rhododendron luteosquamatum Sleumer | | a | | Rhododendron luteosquamatumSleumer | |
| Rhododendron leptanthum F. Muell. | | a | | Rhododendron leptanthumF. Muell. | |
| Rhododendron macgregoriae F. Muell. | | a | | Rhododendron macgregoriaeF. Muell. | |
| Rhododendron maxwellii Gibbs | | a | | Rhododendron maxwelliiGibbs | |
| Rhododendron multicolor Miq. | | a | | Rhododendron multicolorMiq. | |
| Rhododendron multinervium Sleumer | | a | | Rhododendron multinerviumSleumer | |
| Rhododendron nummatum J. J. Sm. | | a | | Rhododendron nummatumJ. J. Sm. | |
| Rhododendron phaeochitum F. Muell. | | a | | Rhododendron phaeochitumF. Muell. | |
| Rhododendron pleianthum Sleumer | | a | | Rhododendron pleianthumSleumer | |
| Rhododendron rarum Schltr. | | a | | Rhododendron rarumSchltr. | |
| Rhododendron retusum (Blume) Benn. | | a | | Rhododendron retusum(Blume) Benn. | |
| Rhododendron scabridibracteum Sleumer | | a | | Rhododendron scabridibracteumSleumer | |
| Rhododendron schadenbergii Warb. | Rhododendron javanicum (Blume) Benn. var. schadenbergii (Warb.) Sleumer | | | Rhododendron schadenbergiiWarb. | Rhododendron javanicum(Blume) Benn. var.schadenbergii (Warb.) Sleumer |
| Rhododendron superbum Sleumer | | a | | Rhododendron superbumSleumer | |
| Rhododendron triumphans Yersin & A. Chev. | | a | | Rhododendron triumphansYersin & A. Chev. | |
| Rhododendron vaccinioides Hook. f. | | a | | Rhododendron vaccinioidesHook. f. | |
| Rhododendron vandeursenii Sleumer | Rhododendron vitis-idaea Sleumer | | | Rhododendron vandeurseniiSleumer | Rhododendron vitis-idaeaSleumer |
| Rhododendron vidalii Rolfe | | a | | Rhododendron vidaliiRolfe | |
| Rhododendron womersleyi Sleumer | | a | | Rhododendron womersleyiSleumer | |
| Rhododendron yelliotii Warb. | | a | | Rhododendron yelliotiiWarb. | |
| Rhododendron zoelleri Warb. | | a | | Rhododendron zoelleriWarb. | |
| Rhododendron javanicum (Blume) Benn. var. schadenbergii (Warb.) Sleumer | | a | i | Rhododendron javanicum(Blume) Benn. var.schadenbergii (Warb.) Sleumer | |
| Rhododendron acuminatum Hook. f. | | a | | Rhododendron acuminatumHook. f. | |
| Rhododendron brookeanum H. Low ex Lindl. | | a | | Rhododendron brookeanumH. Low ex Lindl. | |
| Rhododendron buxifolium H. Low ex Hook. f. var. robustum Sleumer | | a | i | Rhododendron buxifoliumH. Low ex Hook. f. var.robustum Sleumer | |
| Rhododendron christianae Sleumer | | a | | Rhododendron christianaeSleumer | |
| Rhododendron ericoides H. Low ex Hook. f. | | a | | Rhododendron ericoidesH. Low ex Hook. f. | |
| Rhododendron fallacinum Sleumer | | a | | Rhododendron fallacinumSleumer | |
| Rhododendron jasminiflorum Hook. var. punctatum Ridl. | | a | i | Rhododendron jasminiflorumHook. var.punctatum Ridl. | |
| Rhododendron lowii Hook. f. | | a | | Rhododendron lowiiHook. f. | |
| Rhododendron rugosum H. Low ex Hook. f. | | a | | Rhododendron rugosumH. Low ex Hook. f. | |
| Rhododendron rugosum H. Low ex Hook. f. var. coriifolium (Sleumer) Sleumer | Rhododendron ×coriifolium Sleumer | | i | Rhododendron rugosumH. Low ex Hook. f. var.coriifolium (Sleumer) Sleumer | Rhododendron coriifoliumSleumer |
| Rhododendron carringtoniae F. Muell. | | a | | Rhododendron carringtoniaeF. Muell. | |
| Rhododendron cruttwellii Sleumer | | a | | Rhododendron cruttwelliiSleumer | |
| Rhododendron laetum J. J. Sm. | | a | | Rhododendron laetumJ. J. Sm. | |
| Rhododendron jasminiflorum Hook. var. jasminiflorum | | a | i | Rhododendron jasminiflorumHook. var.jasminiflorum | |
| Rhododendron ×coriifolium Sleumer | | a | | Rhododendron coriifoliumSleumer | |
| Rhododendron vitis-idaea Sleumer | | a | | Rhododendron vitis-idaeaSleumer | |