Montana Field Guide

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Montana Field Guides

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- Kingdom - Plants - Plantae
  - Division - Flowering Plants - Anthophyta
    - Class - Dicots - Dicotyledoneae
      - Order - Barberry / Buttercup - Ranunculales
        
        Family - Buttercup Family - Ranunculaceae
        
        Species - Bristly Mousetail - Myosurus apetalus

Bristly Mousetail - Myosurus apetalus

Other Names: Myosurus aristatus

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Native Species

Global Rank: G5
State Rank: S3
C-value: 4

Agency Status
USFWS:
USFS:
BLM:

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General Description

Scapes 1–5 cm. Leaf blades linear to oblanceolate, 9–30 mm. Flowers with scarious-margined sepals ca. 2 mm long. Achenes 1–2 mm long with a beak 0.6–1.2 mm long, in a cluster 5–16 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are varieties borealis Whittemore or montanus (G.R. Campb.) Whittemore.

Species Range

Montana Range Range Descriptions

Native

Range Comments

BC to MB, south to CA, AZ, and NM (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

Vernally wet soil around ponds; plains, valleys (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?
- King, C. R. 1953. The Ranunculaceae of Montana. M.S. Thesis, Bozeman, MT: Montana State College. 82 p.
- 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.
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Citation for data on this website:
Bristly Mousetail — Myosurus apetalus. Montana Field Guide. Montana Natural Heritage Program. Retrieved on April 25, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PDRAN0H050