Polygonum aviculare L. subsp. boreale (Lange) Karlsson

En: boreal knotweed, northern knotweed
Fr: renouée boréale
Provincial Status: L
Range: Arctic-alpine Labrador & Greenland, nwEurope; scattered, coastal Lab.; hal.

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

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