Canada's Plant Hardiness Site

Polygonaceae buckwheat family
Polygonum aviculare subsp. boreale (Lange) Karlsson
En: northern knotweed;
Fr: renouee boreale

• [=Polygonum arenastrum Boreau subsp. boreale (Lange) Á.Löve]
• [=Polygonum aviculare L. var. boreale Lange - basionym]
• [=Polygonum boreale (Lange) Small]
• [=Polygonum heterophyllum Lindm. subsp. boreale (Lange) Á.Löve & D.Löve]