⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-26487, and has not been changed.
This name is a synonym of Symphyotrichum patens var. patentissimum (Lindl. ex DC.) G.L.Nesom.
The record derives from TICA which reports it as a synonym (record E253A8EE-E9D5-4ACD-BDB3-30F2A936D15C) with original publication details: A Flora of North America: containing . . . 2(1): 115 1841.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:23905-2.