240204b Stuckenia filiformis subsp. borealis (Raf.) Tzvelev & Elven
Distribution
West Chukotka: Rare
East Chukotka: Rare
Western Alaska: Rare
Northern Alaska - Yukon: Rare
Central Canada: Scattered
Hudson Bay - Labrador: Scattered
Western Greenland: Scattered
Eastern Greenland: Scattered
Shrub Tundra: Scattered
Bordering boreal or alpine areas: Frequent
- Tzvelev & Elven, J. Bot. Res. Inst. Texas 2: 433 (2008). - Potamogeton borealis Raf., Med. Repos., ser. 2, 5: 354 (1808). Holotype (P): Canada: Quebec, St. Lawrence River, 1792, leg. Michaux. - Potamogeton filiformis var. borealis (Raf.) H. St.John, Rhodora 18: 134 (1916).
2n=
78 (6x). - Far East (N), Canada, Greenland. - At least four reports.
Geography: Amphi-Beringian - North American (N): RFE ALA CAN GRL.
Notes: For Greenland, see subsp. filiformis above.
Les and Haynes (1996: 390) stated that when they synonymized Norwegian subsp. alpina (see above) and North American subsp. borealis, with priority for the former name, they had not seen type material of subsp. borealis. Neither have we.
Higher Taxa
- Stuckenia filiformis [240204,species]