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Montana Field Guide

Montana Field Guides

Matted Broomspurge - Euphorbia serpens
Other Names:  Chamaesyce serpens

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Native Species

Global Rank: G5
State Rank: SNR
C-value: 3

Agency Status


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General Description
Glabrous annual. Stems prostrate, 5–20 cm, highly branched. Leaves opposite, ovate to orbicular, rounded at the tip, asymmetrical at the base, entire, 2–6 mm long. Inflorescence: solitary cyathia in branch axils. Cyathia 0.5–1 mm long; glands green to pink with white margins. Capsule 1–1.5 mm long; seeds smooth(Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
MT to ON south to AZ, TN, FL and Mexico (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 15

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Relative Density



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


  • 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.
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Citation for data on this website:
Matted Broomspurge — Euphorbia serpens.  Montana Field Guide.  .  Retrieved on , from