Canada's Plant Hardiness Site

Polygonaceae buckwheat family
Polygonum nuttallii Small
En: Nuttall's knotweed;
Fr: renouee de Nuttall

• [=Polygonum douglasii Greene subsp. nuttallii (Small) J.C.Hickman]
• [=Polygonum intermedium Nutt. ex S.Watson, nom. illeg. hom., non Ehrh.]