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Montana Field Guide

Montana Field Guides

Richardson's Pondweed - Potamogeton richardsonii

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Native Species

Global Rank: G5
State Rank: SNR
C-value: 6


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Stems terete, little branched. Submersed leaves sessile, clasping, ovate to lanceolate with wavy margins, 2–10 cm × 6–20 mm; stipules 1–2 cm long, not sheathing, quickly fraying. Floating leaves absent. Spikes 1–3 cm long, continuous. Tepals green, ca. 2 mm long. Fruits 2–4 mm long, obscurely keeled with an erect beak (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
AK to NL south to CA, CO, IA and NY (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 1901

(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 to deep, sometimes alkaline water of ponds, lakes, slow rivers; valleys to montane (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Garrett, P.A. 1983. Relationships between benthic communities, land use, chemical dynamics, and trophic state in Georgetown Lake. Ph.D. Dissertation. Bozeman, MT: Montana State University. 136 p.
    • Larson, G. E. 1993. Aquatic and wetland vascular plants of the northern Great Plains. USDA Forest Service General Technical Report RM-238. Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO. 681 pp.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Richardson's Pondweed"
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Citation for data on this website:
Richardson's Pondweed — Potamogeton richardsonii.  Montana Field Guide.  .  Retrieved on , from