861201d Arnica angustifolia subsp. attenuata (Greene) G.W. Douglas & Ruyle-Douglas
Distribution
Northern Alaska - Yukon: Rare
Central Canada: Rare
Hudson Bay - Labrador: Scattered
Southern Arcti Tundra: Rare
Shrub Tundra: Frequent
Bordering boreal or alpine areas: Frequent
- 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).
2n=
(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.
Geography: North American (N): ALA CAN.
Notes: Subspecies attenuata is a major North American race reported from northeastern and central Alaska east to Ungava.
Higher Taxa
- Arnica angustifolia [861201,species]