⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-21111, 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 B79DB710-3525-4C2B-937C-26FE04CDF975) with original publication details: Bonnier. 1922. 72 1922.