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Montana Field Guide

Montana Field Guides

Mountain Peppergrass - Lepidium montanum

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Status Under Review
Native Species

Global Rank: G5?
State Rank: SU
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Taprooted biennial or short-lived perennial. Stems prostrate to ascending, branched, 10–20 cm. Basal leaves 3–10 cm long, petiolate, the blade lanceolate, pinnately lobed with dentate margins. Stem leaves similar, reduced upward. Vestiture of short, thick hairs. Flowers white; petals 2–3 mm long; stamens 6. Fruit ovate, glabrous, 2–4 mm long, notched; style 0.2–0.7 mm long; pedicels glabrous, spreading, 3–8 mm long. Our plants are var. montanum (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
In Beaverhead County; OR to MT south to CA, AZ and NM (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 1

(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?
    • 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 "Mountain Peppergrass"
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Citation for data on this website:
Mountain Peppergrass — Lepidium montanum.  Montana Field Guide.  .  Retrieved on , from