⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2655223, with some changes.
This name is a synonym of Asclepias syriaca L..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Naturaliste Canad. 94: 521 1967.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:21303-2.