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Montana Field Guide

Montana Field Guides

Siskiyou Hawksbeard - Crepis modocensis

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Native Species

Global Rank: G4G5
State Rank: S4
C-value: 4


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Taprooted perennial. Stems erect, 10–35 cm. Herbage gray-tomentose; stems yellowish-setose below. Leaf blades lanceolate to ovate, 3–10 cm long, pinnately lobed ½- to 3/4-way to the midvein into linear-lanceolate, dentate, forward-pointing segments; petioles setose. Heads 1 to 9. Involucre turbinate, 9–16 mm high; phyllaries linear-lanceolate, tomentose, black-setose, eglandular. Rays 10 to 60; ligules 7–12 mm long. Achenes dark green to brown, 4–7 mm long, narrowed above but not beaked (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are subspecies modocensis.

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
BC to CA, NV, UT and CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 56

(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
Sagebrush steppe, grasslands; 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?
    • Harvey, S.J. 1990. Responses of steppe plants to gradients of water soil texture and disturbance in Montana, U.S.A. Ph.D. Thesis. Bozeman, MT: Montana State University. 34 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.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
    • Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 p.
  • Web Search Engines for Articles on "Siskiyou Hawksbeard"
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Citation for data on this website:
Siskiyou Hawksbeard — Crepis modocensis.  Montana Field Guide.  .  Retrieved on , from