⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Phlox gracilis in version 1.1 of The Plant List.
This name is a synonym of Microsteris gracilis .
The record derives from Tropicos which reports it as a synonym (record 25800643
) with original publication details: Ill. Fl. Pacific States 3: 413 413 1951.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:193504-2
.