⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-7069, and has not been changed.
This name is a synonym of Eupatorium × cordigerum .
The record derives from TICA which reports it as a synonym (record 58E75219-2086-4308-9FAD-0D281065D059
) with original publication details: Rhodora 45 477 1943.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:100855-2
.