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Montana Field Guide

Montana Field Guides

Nuttall's Pondweed - Potamogeton epihydrus


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

External Links






 
General Description
Stems flattened, little branched. Submersed leaves linear, 5–20 cm × 2–8 mm; stipules 8–20 mm long, not sheathing, deciduous. Floating leaves petiolate; blades elliptic, 2–6 cm long. Spikes 15–40 mm long, continuous. Tepals green, 1–3 mm long. Fruits 2–4 mm long, strongly keeled with a minute beak (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK to NL south to CA, ID, CO, AL and GA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 9

(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 ponds, sloughs, lakes; valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Nuttall's Pondweed — Potamogeton epihydrus.  Montana Field Guide.  .  Retrieved on , from