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Montana Field Guide

Montana Field Guides

Caespitose Fleabane - Erigeron caespitosus


Global Rank: G5
State Rank: S5

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

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General Description
Taprooted perennial usually with a branched caudex. Stems ascending, 4–30 cm. Herbage short-hirsute to strigose. Leaves basal and cauline; blades linear-oblanceolate to obovate, entire, 1–8 cm long, the largest with 3 veins, narrower and sessile above. Heads radiate, 1 to 10. Involucres hemispheric, 4–7 mm high; phyllaries in 3 to 4 series, minutely glandular, villous-hirsute. Rays 30 to 100, white to blue; ligules 5–10 mm long. Disk corollas 2–4 mm long. Achenes ca. 2 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK south to AZ, NM and NE (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 121

(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
Rocky soil of open slopes, grasslands, sagebrush steppe, open forest, fellfields, rock outcrops; all elevations (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Caespitose Fleabane — Erigeron caespitosus.  Montana Field Guide.  .  Retrieved on , from