⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-19940, 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 FCF8C12B-ED48-4A51-A97D-24DB88F3EA15) with original publication details: 529 1918.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:256436-1.