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Montana Field Guide

Montana Field Guides

Nuttall Waterweed - Elodea nuttallii

Status Under Review

Global Rank: G5
State Rank: S2

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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General Description
Leaves 4–15 × 1–1.5 mm, linear, 3- to 4-whorled. Male flowers: sessile; sepals ca. 2 mm long; petals minute or absent; stamens 9. Female flowers: spathe 9–15 mm long; sepals 1–2 mm long; petals 1–2 mm long. Capsule 4–8 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Throughout most of temperate N. America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Shallow to deep water of ponds, lakes, sloughs; 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:
Nuttall Waterweed — Elodea nuttallii.  Montana Field Guide.  .  Retrieved on , from