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Montana Field Guide

Montana Field Guides

Bear River Fleabane - Erigeron ursinus


Global Rank: G4
State Rank: S3

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

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General Description
Fibrous-rooted perennial from slender branched caudex. Stems ascending, 4–20 cm. Herbage sparsely strigose, glandular above. Leaves basal and cauline; blades linear to narrowly oblanceolate, entire, 1–5 cm long, becoming linear above. Heads radiate, solitary. Involucres hemispheric, 5–8 mm high; phyllaries in 2 or 3 series, sparsely villous, minutely glandular, often reflexed. Rays 30 to 100, blue or purple; ligules 6–9 mm long. Disk corollas 3–4 mm long. Achenes 1–2 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
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
Turf, grasslands, meadows, open forest; subalpine, alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Bear River Fleabane — Erigeron ursinus.  Montana Field Guide.  .  Retrieved on , from