⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-44509, 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 B16DDA77-345C-4FCF-8D3D-527917A11834) with original publication details: 208 1788.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:244493-1.