⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-54818, and has not been changed.
This name is a synonym of Rudbeckia laciniata var. ampla .
The record derives from TICA which reports it as a synonym (record 93F74FD3-98E2-47CF-BB3D-711DD56A4EA9
) with original publication details: 375 1982.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:223763-2
.