Canada's Plant Hardiness Site

Polygonaceae buckwheat family
Polygonum polygaloides subsp. confertiflorum (Nutt. ex Piper) J.C.Hickman
En: closeflower knotweed, denseflower knotweed;
Fr: renouee a fleurs serrees

• [=Polygonum confertiflorum Nutt. ex Piper - basionym]
• [=Polygonum imbricatum Nutt.]
• [=Polygonum kelloggii Greene var. confertiflorum (Nutt. ex Piper) Dorn]
• [=Polygonum watsonii Small]