⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-103852, and has not been changed.
This name is a synonym of Symphyotrichum retroflexum (Lindl. ex DC.) G.L.Nesom.
The record derives from TICA which reports it as a synonym (record 8368FB32-7991-46B8-9505-A22994020399) with original publication details: Fl. N. Amer. (Torr. & A. Gray) 2 110 1841.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:23285-2.