⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-53401, 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 0CEFDD59-E50D-4774-A667-65EFE39A0CED) with original publication details: Phytologia 23 55 1972.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:93636-2.