This name is a synonym of Phlox pilosa var. virens (Michx.) Wherry.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50070019) with original publication details: Fl. Bor.-Amer. 1: 144 1803.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:193364-2.
This name was in version 1 of The Plant List, record tro-50070019, and has not been changed.