Flora of North America species comparison

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Stuckenia filiformis subsp. filiformis
Photo is of parent taxon

fineleaf pondweed
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.

Stuckenia filiformis subsp. filiformis
Phenology Flowering summer.
Habitat Calcareous waters of ponds, lakes, and streams
Elevation 0–915 m (0–3000 ft)
Distribution
from FNA
AK; NT; YT; Greenland; Europe; Asiaasia
[BONAP county map]
Discussion

No specimens have been seen from British Columbia or Nunavut, but the subspecies is to be expected there.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 22.
Parent taxa Potamogetonaceae > Stuckenia > Stuckenia filiformis
Sibling taxa
S. filiformis subsp. alpina, S. filiformis subsp. occidentalis
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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