⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-40025, and has not been changed.
This name is a synonym of Rudbeckia fulgida var. umbrosa (C.L.Boynton & Beadle) Cronquist.
The record derives from TICA which reports it as a synonym (record 1F7D619F-328D-405E-82DE-4A406AAF655A) with original publication details: 16 1901.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:315678-2.