PAF: X Arctodupontia Tzvelev

	X Arctodupontia Tzvelev
Publ. & Syn.	Arctophila x Dupontia.
Chromosomes	42 (6x). - Europe (N), Russia (N), Siberia (N), Far East (N), Alaska, Canada, Greenland. - Numerous reports. Not included. A report of 2n = 63 (9x) from Wrangel Island (Zhukova and Petrovsky 1972) should be checked against voucher.
Geography	Circumpolar: NOR RUS SIB RFE ALA CAN GRL.
Parent taxon	Poaceae
Child taxa	X Arctodupontia scleroclada (Rupr.) Tzvelev
PAF ID	3429

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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)