This name is a synonym of Rhododendron rigidum .
The record derives from Tropicos
(data supplied on )
which reports it as a synonym (record
12303855) with original publication details: Notes Roy. Bot. Gard. Edinburgh 10(47–48): 137–139 1917.
This name was in version 1 of The Plant List, record tro-12303855, and has not been changed.