862801a Tephroseris palustris subsp. congesta (R. Br.) Holub
Distribution
Kanin - Pechora: Frequent
Polar Ural - Novaya Zemlya: Scattered
Yamal - Gydan: Frequent
Taimyr - Severnaya Zemlya: Frequent
Anabar - Onenyo: Scattered
Kharaulakh: Frequent
Yana - Kolyma: Scattered
West Chukotka: Frequent
Wrangel Island: Frequent
South Chukotka: Frequent
East Chukotka: Frequent
Western Alaska: Frequent
Northern Alaska - Yukon: Frequent
Central Canada: Frequent
Hudson Bay - Labrador: Frequent
Mid Arctic Tundra: Rare
Southern Arcti Tundra: Frequent
Shrub Tundra: Frequent
Bordering boreal or alpine areas: Frequent
- Holub, Folia Geobot. Phytotax. 9: 272 (1974). - Cineraria congesta R. Br., Chlor. Melvill.: 21 (1823). Described from Melville Island the Winter Harbour area, 1819-1820, probably in the Northwest Territories (Canada). - Senecio congestus (R. Br.) DC., Prodr. 6: 363 (1838).
- Senecio arcticus Rupr., Fl. Samojed. Cisural.: 44 (1845). Described from northeastern European Russia.
2n=
(1) 36-37 40 (2x, x = 18, 20). - Siberia, Far East (N). - At least five reports.
(2) 48 (2x, x = 24). - Russia (N), Siberia, Far East (N), Alaska, Canada. - Numerous reports.
Löve and Löve (1975a) included only reports of 2n = 48 for this plant.
Not included: A report of 2n = 24 from western North America (Chinnappa and Chmielewski 1987) must belong to something else.
Geography: European (C-S) & European (NE) - Asian (N/C) - amphi-Beringian - North American: RUS SIB RFE ALA CAN.
Higher Taxa
- Tephroseris palustris [862801,species]