⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-12303874, and has not been changed.
This name is a synonym of Rhododendron augustinii subsp. chasmanthum (Diels) Cullen.
The record derives from Tropicos which reports it as a synonym (record 12303874) with original publication details: Notes Roy. Bot. Gard. Edinburgh 5(25): 212 212 1912.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:332161-1.