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Montana Field Guide

Montana Field Guides

Showy Aster - Eurybia conspicua
Other Names:  Aster conspicuus

Native Species

Global Rank: G5
State Rank: S5

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Rhizomatous perennial. Stems erect, 30–75 cm. Herbage scabrous, sparsely strigose, glandular above. Leaves cauline, sessile or subsessile, lanceolate to obovate or ovate, strongly serrate, 5–15 cm long, the lowest deciduous. Inflorescence corymbiform, leafy bracteate; peduncles stipitate-glandular. Involucre campanulate, 9–12 mm high; phyllaries linear-lanceolate, glandular, ciliate, white below, green above with purple tips. Rays 12 to 35; ligules 10–15 mm long. Disk flowers 48 to 55; corolla 7–9 mm long. Achenes fusiform, 3–4 mm long, glabrous to sparsely pubescent (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
BC to MB south to OR, WY and SD (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 2408

(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)

Dry to moist forests, woodlands; valleys to lower subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Conway, T.M. 1982. Response of understory vegetation to varied lodgepole pine (Pinus contorta) spacing intervals in Western Montana. M.Sc. Thesis. Bpzeman, MT: Montana State University. 76 p.
    • Guenther, G.E. 1989. Ecological relationships of bitterbrush communities on the Mount Haggin Wildlife Management Area. M.Sc. Thesis. Bozeman, MT: Montana State University. 73 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
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Citation for data on this website:
Showy Aster — Eurybia conspicua.  Montana Field Guide.  .  Retrieved on , from