⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50060455, and has not been changed.
This name is a synonym of Rhododendron campanulatum subsp. aeruginosum (Hook. f.) D.F. Chamb..
The record derives from Tropicos which reports it as a synonym (record 50060455) with original publication details: Rhododendron Sikkim Himalaya 23, pl. 22 23 1849.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:331885-1.