Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

White-stem Pondweed - Potamogeton praelongus

Image Copyright and Usage Information
Native Species

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


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Stems terete, little branched, somewhat zigzag. Submersed leaves sessile, clasping, lanceolate, minutely wavy, 6–20 × ca. 1 cm; stipules 2–7 cm long, not sheathing. Floating leaves absent. Spikes 2–4 cm long, continuous. Tepals green, 2–3 mm long. Fruits 4–5 mm long, 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, UT, CO, IN 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: 1553

(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

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?
    • Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
    • 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.
    • Jeanes, E.D. 1996. Behavioral responses to water current of age-0 Arctic Grayling from the Madison River, and their use of stream habitat. M.Sc. Thesis. Bozeman, MT: Montana State University. 60p.
    • 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.
    • Peterman, L.G. 1972. The biology and population characteristics of the Arctic grayling in Lake Agnes, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 29 p.
  • Web Search Engines for Articles on "White-stem Pondweed"
Login Logout

Take us with you! PDF icon

Look for this PDF icon as you search and browse.  Click it to build a custom PDF with species shown on that page or for all the species within that taxonomic level.  To create your own list of species, use the PDF Creator tool at the bottom of the Advanced Search page.

Here's some links if you want to download a whole group.

Mammals
Birds
Reptiles
Amphibians
Fish
Invertebrates
Butterflies / Moths
Dragonflies / Damselflies
Ferns and allies
Conifers
Flowering Plants (Dicots)
Flowering Plants (Monocots)
Bryophytes
Lichens
Ecological Systems
Noxious Weeds
Citation for data on this website:
White-stem Pondweed — Potamogeton praelongus.  Montana Field Guide.  .  Retrieved on , from