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Montana Field Guide

Montana Field Guides

Gray Hawksbeard - Crepis occidentalis


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:

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General Description
Taprooted perennial. Stems erect, 8–30 cm. Herbage gray-tomentose; stems setose-glandular above. Leaf blades ovate to elliptic, 3–20 cm long, pinnately lobed ca. halfway to the midvein into runcinate, lanceolate, dentate segments. Heads 2 to 25. Involucre narrowly campanulate, 11–19 mm high; phyllaries linear-lanceolate, tomentose, usually black glandular-setose. Rays 10 to 40; ligules 10–15 mm long. Achenes brown, 3–7 mm long, narrowed above but not beaked (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

According to Lesica (2012), our plants appear to be be subspecies costata (A. Gray) Babc.& Stebbins

Species Range
Present
 


Range Comments
BC to SK south to CA, AZ, NM and SD (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 26

(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

References
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Citation for data on this website:
Gray Hawksbeard — Crepis occidentalis.  Montana Field Guide.  .  Retrieved on , from