480103 Myriophyllum sibiricum Kom.
Distribution
Northern Iceland: Rare
Northern Fennoscandia: Rare
Kanin - Pechora: Scattered
Polar Ural - Novaya Zemlya: Present (Frequency unknown)
Yamal - Gydan: Rare
Taimyr - Severnaya Zemlya: Rare
Yana - Kolyma: Rare
West Chukotka: Present (Frequency unknown)
East Chukotka: Present (Frequency unknown)
Western Alaska: Rare
Northern Alaska - Yukon: Rare
Central Canada: Rare
Hudson Bay - Labrador: Scattered
Western Greenland: Rare
Southern Arcti Tundra: Rare
Shrub Tundra: Frequent
Bordering boreal or alpine areas: Frequent
- Kom., Repert. Spec. Nov. Regni Veg. 13: 168 (1914). Lectotype (LE): Russian Far East: Kamtchatka, the Kamchatka River basin, leg. V.L. Komarov (Aiken and Cronquist 1988: 959).
- Myriophyllum exalbescens Fernald, Rhodora 21: 120 (1919). Holotype (GH): Canada: Quebec, York River, 29. July 1905, leg. Williams, Collins, and Fernald. - Myriophyllum spicatum subsp. exalbescens (Fernald) E. Murray, Kalmia 12: 22 (1982).
- Myriophyllum spicatum subsp. squamosum Laest. ex C. Hartm., Handb. Skand. Fl., ed. 7: 150 (1858). Described from northern Sweden, leg. L.L. Laestadius.
- Myriophyllum spicatum auct., non L. (1753).
2n=
42 (6x). - Europe (N), Canada, U.S.A. - Several reports.
Not included: A report of 2n = 14 (2x) from Manitoba (Löve 1954a, an untrustworthy paper) must be based on some other species, possibly M. alterniflorum.
Geography: Circumboreal-polar: ICE NOR RUS SIB RFE ALA CAN GRL.
Notes: There are doubts about the presence or frequency of Myriophyllum sibiricum in several Russian regions.
Higher Taxa
- Myriophyllum [4801,genus]