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Montana Field Guide

Montana Field Guides

Shaggy Fleabane - Erigeron pumilus

Native Species

Global Rank: G5
State Rank: S5

Agency Status
MNPS Threat Rank:

External Links

General Description
Taprooted perennial with a simple or branched caudex. Stems ascending to erect, 5–25 cm. Herbage long-hirsute, many spreading hairs >1 mm long. Leaves basal and cauline; blades linear- to narrowly oblanceolate, 15–40 mm long, entire. Heads 1 to 15, radiate. Involucres hemispheric, 4–8 mm high; phyllaries in 2 to 4 series, minutely glandular, hirsute with a brownish midvein. Rays 50–100, white to pink ligules 5–12 mm long. Disk corollas 2–5 mm long. Achenes 1–2 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 277

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Sandy or stony soil of grasslands, sagebrush steppe, woodlands; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
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    • Cope, M.G. 1992. Distribution, habitat selection and survival of transplanted Columbian Sharp-tailed Grouse (Tympanuchus phasianellus columbianus) in the Tobacco Valley, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 60 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Peterson, J.G. 1969. The food habits and summer distribution of juvenile sage grouse in central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 39 p.
    • Rundquist, V.M. 1973. Avian ecology on stock ponds in two vegetational types in north-central Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 112 p.
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Citation for data on this website:
Shaggy Fleabane — Erigeron pumilus.  Montana Field Guide.  .  Retrieved on , from