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Montana Field Guides

American Bugseed - Corispermum americanum
Other Names:  Corispermum hyssopifolium [misapplied]

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Native Species

Global Rank: G5?
State Rank: SNR
C-value: 6


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Annual herbs. Stems reddish, ascending to erect, 15–60 cm. Leaves to 5 × 4 cm. Inflorescence with bracts narrowly ovate, 5–9 mm long, as wide or wider than the fruit. Fruit ovate, broadly winged, 3–4 mm long. Sand hills and sandy soil of grasslands, steppe; plains, valleys. Our plants are variety americanum (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
In MT in Cascade, Fergus, Valley, and Big Horn counties; throughout North 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: 2

(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
Sand hills and sandy soil of grasslands, steppe; 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?
    • 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 "American Bugseed"
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Citation for data on this website:
American Bugseed — Corispermum americanum.  Montana Field Guide.  .  Retrieved on , from