⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2676838, with some changes.
This name is a synonym of Polygonum × rhaeticum .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Folia Mus. Rerum Nat. Bohemiae Occid., Bot. 21: 5 1984.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:913739-1
.