⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-54071, with some changes.
This name is a synonym of Conyza canadensis (L.) Cronquist.
The record derives from TICA which reports it as a synonym (record 57E55DA8-3DC5-4487-9616-6B398AEC9BAC) with original publication details: Amer. Midl. Naturalist 8 277 1923.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1033552-2.