⚠ Version 1 of The Plant List has been superseded.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.

Polygonum triandrum Coolidge is a synonym of Polygonum sawatchense subsp. sawatchense

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.