⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50130902, with some changes.
This name is a synonym of Phlox kelseyi subsp. variabilis (Brand) Wherry.
The record derives from Tropicos which reports it as a synonym (record 50130902) with original publication details: Pflanzenr. 27[IV,250]: 87 87 1907.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:193713-2.