Northern Ontario Plant Database
Synonymy
Synonymy - Polygonum douglasii
Polygonaceae Buckwheat Family
Polygonum douglasii Greene
Douglas's knotweed
; Fr: renouée de Douglas
- [=Polygonum buxiforme Small var. montanum (Small) R.J.Davis]
- [=Polygonum douglasii Greene var. latifolium (Engelm. ex A.Gray) Greene]
- [=Polygonum douglasii Greene var. montanum Small]
- [=Polygonum emaciatum A.Nelson]
- [=Polygonum montanum (Small) Greene]
- [=Polygonum tenue Michx. var. commune Engelm.]
- [=Polygonum tenue Michx. var. latifolium Engelm. ex A.Gray]