This name is a synonym of Rhododendron maculiferum subsp. anhweiense (E.H. Wilson) D.F. Chamb..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50049997) with original publication details: J. Arnold Arbor. 6(3): 163 1925.
This name was in version 1 of The Plant List, record tro-50049997, and has not been changed.