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Montana Field Guide

Montana Field Guides

Poor-man's Pepper-grass - Lepidium virginicum

Native Species

Global Rank: G5
State Rank: SNR

Agency Status
MNPS Threat Rank:
C-value: 1

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 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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 9

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Disturbed soil of roadsides, fields, grasslands, wetlands; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
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    • 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. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 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.
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Citation for data on this website:
Poor-man's Pepper-grass — Lepidium virginicum.  Montana Field Guide.  .  Retrieved on , from