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Montana Field Guide

Montana Field Guides

Poor-man's Pepper-grass - Lepidium virginicum

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Native Species

Global Rank: G5
State Rank: SNR
C-value: 1


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Annual. Stems erect, 8–20 cm, often branched above. Basal leaves petiolate, obovate, deeply dentate, early deciduous. Stem leaves narrowly oblanceolate, 1–3 cm long, dentate. Vestiture of short, simple hairs. Flowers white; petals ca. 1 mm long; stamens 2. Fruit broadly elliptic, glabrous or pubescent, 2.5–3.5 mm long, notched; style lacking; pedicels spreading, glabrous or pubescent, 3–5 mm long. (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

In Montana we have varieties pubescens (Greene) Thell. and medium (Greene) C.L. Hitchc.

Range Comments
Throughout temperate North America south to C. America (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 16

(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
Disturbed soil of roadsides, fields, grasslands, wetlands; plains, valleys, montane (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?
    • Ament, R.J. 1995. Pioneer Plant Communities Five Years After the 1988 Yellowstone Fires. M.Sc. Thesis. Bozeman, MT: Montana State University. 216 p.
    • Cope, M.G. 1992. Distribution, habitat selection and survival of transplanted Columbian Sharp-tailed Grouse (Tympanuchus phasianellus columbianus) in the Tobacco Valley, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 60 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.
    • Meier, G.A. 1997. The colonization of Montana roadsides by native and exotic plants. M.Sc. Thesis. Bozeman, MT: Montana State University. 45 p.
    • Wiman, N.G. 2001. Dynamics of leafy spurge (Euphorbia esula L.) infested plant communities influenced by flea beetles in the Aphthona complex (Colepotera: Chrysomelidae). M.Sc. Thesis. Bozeman, MT: Montana State University. 148 p.
  • Web Search Engines for Articles on "Poor-man's Pepper-grass"
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Citation for data on this website:
Poor-man's Pepper-grass — Lepidium virginicum.  Montana Field Guide.  .  Retrieved on , from