Rhododendron arboreum subsp. zeylanicum (Booth) Tagg
19690838 Wild collected in Sri Lanka
Rhododendron konori × zoelleri Becc.
19741779 Wild collected in Papua New Guinea
Rhododendron laetum × zoelleri J.J.Sm.
19902928 Cultivated material
19902939 Cultivated material
Rhododendron macgregoriae × zoelleri F.Muell.
19760832 Wild collected in Papua New Guinea
19861697 Wild collected in Papua New Guinea
Rhododendron zaleucum Balf.f. & W.W.Sm.
19962557 Wild collected in China
20022205 Wild collected in China
Rhododendron zaleucum var. flaviflorum Davidian
20040724 Wild collected in Myanmar
Rhododendron zaleucum Balf.f. & W.W.Sm. var. zaleucum
19181005 Wild collected in China
19568718 Cultivated material
19730245 Cultivated from material wild collected in Myanmar
20211004 Cultivated from material wild collected in China
Rhododendron zoelleri Warb.
19550409 Wild collected in Papua New Guinea
19672430 Wild collected in Papua New Guinea
20052500 Wild collected in Indonesia
20061943 Wild collected in Indonesia
20070763 Wild collected in Indonesia
Rhododendron zoelleri × konori Warb
20061944 Wild collected in Indonesia
Rhododendron zollingeri J.J.Sm.
19981653 Wild collected in Indonesia
19982668 Cultivated material
20000343 Wild collected in Indonesia
20000344 Wild collected in Indonesia
20000722 Wild collected in Indonesia