This name is a synonym of Phlox hoodii var. canescens (Torr. & A. Gray) M. Peck.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50308252) with original publication details: Man. Fl. Pl. Calif. 786 1925.
⥇ A cross-taxon basionym link was ignored while processing this record,
see Phlox canescens Torr. & A. Gray.
This name was in version 1 of The Plant List, record tro-50308252.