⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-93096, with some changes.
This name is a synonym of Rudbeckia fulgida var. speciosa (Wender.) Perdue.
The record derives from TICA which reports it as a synonym (record CF1E9F4A-57F0-420C-9E6D-8A0286826520) with original publication details: Flora 12 (Erganz. 1) 30 1829.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:223808-2.