⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-72221, and has not been changed.
This name is a synonym of Cosmos deficiens (Sherff) Melchert.
The record derives from TICA which reports it as a synonym (record BD7FA39E-6ACE-45BA-9232-FC60682B2D39) with original publication details: Brittonia 16: 65 1964.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:275155-2.