Rhododendron species I
Global Biodiversity Information Facility (GBIF), I
Flora of China
GBIF 2019
Rhododendron igneum Cowan
Rhododendron
impeditum Balf.f. & W.W.Sm.
Rhododendron
impositum J.J.Sm.
Rhododendron
impressopunctatum J.J.Sm.
Rhododendron incommodum Sleumer
Rhododendron
inconspicuum J.J.Sm.
Rhododendron indicum Sweet 2633
Rhododendron
inopinum I.B.Balfour
Rhododendron insculptum Kingdon-Ward
Rhododendron insigne Hemsl. & E.H
.Wilson
Rhododendron intermedium Wender.
Rhododendron intranervatum Sleumer
Rhododendron intricatum Franch.
Rhododendron invasorium Sleumer
Rhododendron invictum Balf.f. & Farrer
Rhododendron irroratum Franch.
Rhododendron ×impeanum Hort.