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Montana Field Guide

Montana Field Guides

Slender Pondweed - Potamogeton filiformis
Other Names:  Stuckenia filiformis


Global Rank: G5
State Rank: SU

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 6

External Links






 
General Description
Plants tuberous. Stems terete, branched. Submersed leaves filiform, only the ultimate 1 mm tapered, 1–8 cm × 1–2 mm, attached to the stipule; lower stipules 5–15 mm long, sheathing. Floating leaves absent. Spikes 1–5 cm long with distinct whorls of flowers. Tepals brownish, 1–2 mm long. Fruits 2–3 mm long, obscurely keeled with a minute beak (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Circumboreal south to CA, AZ, NM, NE and NY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 12

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Shallow, fresh water of lakes, ponds, slow streams; valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Slender Pondweed — Potamogeton filiformis.  Montana Field Guide.  .  Retrieved on , from