familyPotamogetonaceae
genusStuckenia
speciesStuckenia filiformis
subspeciesStuckenia filiformis subsp. filiformis
Difference between revisions of "Stuckenia filiformis subsp. filiformis"
Treatment appears in FNA Volume 22.
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Revision as of 15:59, 18 September 2019
Stems 10–30 cm. Leaves: stipules persistent, those on proximal portion of stem tightly clasping or slightly enlarged; 0.2–0.5 mm wide. Inflorescences: peduncles with flowers and/or fruits 4 cm or more apart. Fruits common.
Phenology: Flowering summer.
Habitat: Calcareous waters of ponds, lakes, and streams
Elevation: 0–915 m
Distribution
Greenland, N.W.T., Yukon, Alaska, Europe, Asiaasia.
Discussion
No specimens have been seen from British Columbia or Nunavut, but the subspecies is to be expected there.
Selected References
None.
Lower Taxa
None.