⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-41694, with some changes.
This name is a synonym of Rudbeckia hirta L..
The record derives from TICA which reports it as a synonym (record E00704DA-6A65-4EFC-8D09-4D34E72DF120) with original publication details: 15 1820.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:198047-1.