⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-68639, with some changes.
This name is a synonym of Polymnia canadensis L..
The record derives from TICA which reports it as a synonym (record B1D618E4-CE7F-45ED-B64E-E048049128CF) with original publication details: "Syn. Fl. N. Amer. 1, pt. 2: 238. 1884" 238 1884.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:206546-2.