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Montana Field Guide

Montana Field Guides

Engelmann's Aster - Eucephalus engelmannii
Other Names:  Aster engelmannii

Native Species

Global Rank: G5
State Rank: S4S5

Agency Status
MNPS Threat Rank:

External Links

General Description
Stems erect, 30–120 cm. Herbage glabrate to sparsely villous. Leaves sessile to short-petiolate; blades lanceolate to obovate, entire, 3–10 cm long, the lowest deciduous. Inflorescence open, leafy-corymbiform; peduncles puberulent to sparsely glandular. Involucre narrowly campanulate, 6–10 mm high; phyllaries imbricate, lanceolate, ciliate, glandular-pubescent; outer green; inner outlined in purple. Rays 8 to 13, white to light purple; ligules 12–22 mm long. Disk flowers 10 to 35; corolla 7–9 mm long. Achenes obconic, compressed, cylindrical, 3–5 mm long, puberulent (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

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

Observations in Montana Natural Heritage Program Database
Number of Observations: 162

(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)

Moist, open forest, meadows, avalanche slopes; upper montane, subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
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    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Steerey, W. F. 1979. Distribution, range use and population characteristics of Mule Deer associated with the Schafer Creek winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 119 p.
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Citation for data on this website:
Engelmann's Aster — Eucephalus engelmannii.  Montana Field Guide.  .  Retrieved on , from