⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50079612, with some changes.
This name is a synonym of Polygonum sawatchense subsp. sawatchense .
The record derives from Tropicos which reports it as a synonym (record 50079612
) with original publication details: Madroño 20(5): 266-269, f. 1-2 266 1970.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:206443-2
.