This name is a synonym of Azalea viscosa var. nitida (Pursh) A.Gray.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50309335) with original publication details: Fl. N. Middle United States 1: 425 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:332965-1.
This name was in version 1 of The Plant List, record tro-50309335.