⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-57886, 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 9BADF578-AD45-41B7-86BB-8A183B3D63D8) with original publication details: J. Jap. Bot. 3: 26 (1926) 26 1926.