343001 Dupontia fisheri R. Br.
Distribution
Kanin - Pechora: Frequent
Svalbard - Franz Joseph Land: Frequent
Polar Ural - Novaya Zemlya: Frequent
Yamal - Gydan: Frequent
Taimyr - Severnaya Zemlya: Frequent
Anabar - Onenyo: Scattered
Kharaulakh: Frequent
Yana - Kolyma: Scattered
West Chukotka: Frequent
Wrangel Island: Frequent
South Chukotka: Scattered
East Chukotka: Frequent
Western Alaska: Frequent
Northern Alaska - Yukon: Frequent
Central Canada: Frequent
Hudson Bay - Labrador: Frequent
Ellesmere Island: Scattered
Western Greenland: Rare
Eastern Greenland: Rare
Polar desert: Rare
Northern arctic Tundra: Frequent
Mid Arctic Tundra: Frequent
Southern Arcti Tundra: Frequent
Shrub Tundra: Frequent
Bordering boreal or alpine areas: Scattered
- R. Br., Chlor. Melvill.: 33 (1823). Holotype (BM): Canada: the Northwest Territories?, Melville Island the Winter Harbour area, 1820, leg. Mr. G. Fisher.
Geography: Circumpolar.
Notes: Three "morphs" differing also in ploidy levels are provisionally entered below. Plants at an intermediate ploidy level, with 2n = 63-66 (6x) are known from Alaska and northern Europe (Lipkin 1983; Brysting et al. 2004) together with and assumed to be hybrids between tetraploids and octoploids.
Higher Taxa
- Dupontia [3430,genus]