PAF: Polygonum humifusum subspecies Canadian race

	Polygonum humifusum subspecies Canadian race
Publ. & Syn.	Polygonum caurianum auct., non B.L. Rob. (1904). See notes to species.
Notes	Elven and Murray: The more eastern plant currently treated as Polygonum caurianum is probably nameless and is entered as an unnamed Canadian subspecies.
Chromosomes	20 (2x). - Russia, Siberia (N), Far East (N). - Several reports.
Geography	North American (NW): CAN.
Distribution	N = R AN = ? E = R CC = r HL = r [ key ]
Parent taxon	Polygonum humifusum C. Merk ex K. Koch
PAF ID	410105b

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Panarctic Flora Editor-in-Chief: Reidar Elven (Natural History Museum, University of Oslo)
Editorial Committee: Reidar Elven, David F. Murray (Museum of the North, University of Alaska), Volodya Yu. Razzhivin (Komarov Botanical Institute, Russian Academy of Sciences), Boris A. Yurtsev [deceased] (Komarov Botanical Institute, Russian Academy of Sciences)