Canada's Plant Hardiness Site

Polygonaceae buckwheat family
Polygonum sawatchense subsp. sawatchense Small
En: Sawatch knotweed;
Fr: renouee sawatchense , renouee de Sawatch

• [=Polygonum douglasii Greene subsp. johnstonii (Munz) J.C.Hickman]
• [=Polygonum douglasii Greene var. johnstonii Munz]
• [=Polygonum exile Eastw.]
• [=Polygonum triandrous Coolidge]