500721a Saxifraga cespitosa subsp. cespitosa
Distribution
Northern Iceland: Frequent
Northern Fennoscandia: Frequent
Kanin - Pechora: Scattered
Svalbard - Franz Joseph Land: Frequent
Polar Ural - Novaya Zemlya: Frequent
Yamal - Gydan: Rare
Taimyr - Severnaya Zemlya: Frequent
Anabar - Onenyo: Scattered
Kharaulakh: Scattered
Yana - Kolyma: Scattered
West Chukotka: Scattered
Wrangel Island: Frequent
South Chukotka: Rare
East Chukotka: Scattered
Western Alaska: Scattered
Northern Alaska - Yukon: Frequent
Central Canada: Frequent
Hudson Bay - Labrador: Frequent
Ellesmere Island: Frequent
Western Greenland: Frequent
Eastern Greenland: Frequent
Polar desert: Frequent
Northern arctic Tundra: Frequent
Mid Arctic Tundra: Frequent
Southern Arcti Tundra: Frequent
Shrub Tundra: Frequent
Bordering boreal or alpine areas: Frequent
- Saxifraga groenlandica L., Sp. Pl.: 404 (1753). Described from Greenland, the Pyrenees, and Switzerland. Lectotype: Dillenius, Hort. Eltham. 2: 337, t. 253, f. 329. 1732. (Webb 1987b: 264).
- Saxifraga uniflora R. Br., Chlor. Melvill.: 16 (1823). Described from Melville Island the Winter Harbour area, 1819-1820, probably in the Northwest Territories (Canada). - Saxifraga cespitosa subsp. uniflora (R. Br.) A.E. Porsild, Bull. Natl. Mus. Canada 135: 135 (1955).
- Saxifraga groenlandica subsp. exaratoides Simmons, Vasc. Pl. Ellesmereland: 73, fig. (1906). Type (O!): Canada: Nunavut, Ellesmere Island, Falcon Cliff in Goose Fjord, 20. July 1901, leg. H.G. Simmons 2870. - Saxifraga cespitosa subsp. exaratoides (Simmons) Irmsch. in Engl., Pflanzenreich IV-117, 67: 375 (1916).
- Saxifraga cespitosa var. aurea Hadac, Studia Bot. Cech. 5, 1-2: 4 (1942). Holotype (O!): Svalbard: Vindodden, 12. July 1939, leg. E. Hadac. - Saxifraga aurea (Hadac) Rønning, Svalb. Fl., ed. 3: 115 (1996), non Garsault, nec Jacquem. ex C.B. Clarke, nec Steud. comb. illeg.; a several-times homonym and also without any reference to basionym.
- Saxifraga cespitosa f. laxiuscula Engl. & Irmsch. in Engl., Pflanzenreich IV-117, 67: 371 (1916). No type information except that Greenland sources are cited. - Saxifraga cespitosa subsp. laxiuscula (Engl. & Irmsch.) Á. Löve & D. Löve, Bot. Not. 114: 53 (1961).
2n=
78 80 (10x). - Europe (N), Russia (N), Far East (N), Alaska, Canada, U.S.A. (NE), Greenland. - Numerous reports under several names.
Not included: Reports of some deviating numbers may belong to other, related but more low-ploid taxa, e.g., 2n = 52, 56, 60, 63, 65.
Geography: Circumpolar-alpine: ICE NOR RUS SIB RFE ALA CAN GRL.
Notes: It is probable that some of the synonyms represent taxa at some level.
Higher Taxa
- Saxifraga cespitosa [500721,species]