410104 Polygonum microspermum Jord. ex Boreau
Distribution
Western Alaska: Persistent (Adventive)
Shrub Tundra: Persistent (Adventive)
Bordering boreal or alpine areas: Persistent (Adventive)
- Boreau, Fl. Centre France, ed. 3, 2: 560 (1857). Described from France. - Polygonum aviculare subsp. microspermum (Jord. ex Boreau) Berher, Fl. Vosges, ed. 2: 195 (1887).
- Polygonum arenastrum Boreau, Fl. Centre France, ed. 3, 2: 559 (1857). Described from France.
- Polygonum aequale Lindm., Svensk Bot. Tidskr. 6: 692 (1912). Described from Sweden. No material cited. - Polygonum aviculare subsp. aequale (Lindm.) Asch. & Graebn., Syn. Mitteleur. Fl. 4: 848 (1913).
2n=
(1) 40 (4x). - Europe (N). - Karlsson (2000c, secondary report).
(2) 60 (6x). - Karlsson (2000c, secondary report).
Geography: European: ALA*.
Notes: Polygonum microspermum may be a stable adventive in the Arctic in the Bethel area in western Alaska (ALA) and probably overlooked elsewhere.
Higher Taxa
- Polygonum [4101,genus]