Arnica angustifolia subsp. attenuata (Greene) G.W. Douglas & Ruyle-Douglas
Publ. & Syn.G.W. Douglas & Ruyle-Douglas, Canad. J. Bot. 56: 1710 (1978). - Arnica attenuata Greene, Pittonia 4: 170 (1900). Type (US): Canada: the Yukon Territory, Lewes River, 13. June 1899, leg. Gorman 1025. - Arnica alpina subsp. attenuata (Greene) Maguire, Madroño 6: 153 (1942).
NotesSubspecies attenuata is a major North American race reported from northeastern and central Alaska east to Ungava.
Chromosomes(1) 38 (2x). - Alaska, Canada (Yukon). - Barker (1967); Wolf (1980, ten counts).
(2) 57 (3x). - Canada. - At least four reports.
(3) 76 (4x). - Wolf (1987).
Note that diploids only are documented from American Beringia.
GeographyNorth American (N): ALA CAN.
Distribution N = F     AN = r     D = R     E = F     CC = r     HL = s     [ key ]
Parent taxonArnica angustifolia Vahl
PAF ID861201d
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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)