⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-115400, 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 B89403EB-9178-4ABC-843E-BC0F9A00CD0C) with original publication details: 863 1753.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:203653-1.