⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-8231, 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 9E991D3F-DD8B-4DE0-802C-0F4FA962996F) with original publication details: 198 1914.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:138269-2.