⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50079618, with some changes.

Polygonum montanum (Small) Greene is a synonym of Polygonum douglasii Greene

This name is a synonym of Polygonum douglasii Greene.

The record derives from Tropicos which reports it as a synonym (record 50079618) with original publication details: Pl. Baker. 3: 13 13 1901.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:206306-2.