⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-89774, with some changes.
This name is a synonym of Conyza bonariensis var. leiotheca (S.F.Blake) Cuatrec..
The record derives from TICA which reports it as a synonym (record EE863211-C000-47AE-A391-8281167F295D) with original publication details: Bol. Soc. Arag. 319 1905.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:197346-1.