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Montana Field Guide

Montana Field Guides

Arctic Aster - Eurybia sibirica
Other Names:  Aster sibiricus


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

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General Description
Stems ascending, 3–20 cm. Herbage scabrous to strigose. Leaves cauline, stiff, short-petiolate; blades oblanceolate, serrate to entire, 1–5 cm long, sessile above, the lowest deciduous. Inflorescence corymbiform with 1 to few heads; peduncles densely villous. Involucre campanulate, 6–9 mm high; phyllaries lanceolate, ciliate to puberulent; the inner purplish. Rays 12 to 50; ligules 7–12 mm long. Disk flowers 25 to 125; corolla 5–7 mm long. Achenes fusiform, 2–4 mm long, sparsely strigose (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 3

(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
Sparsely vegetated, stony, usually calcareous soil of alpine fellfields, montane streambanks (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Arctic Aster — Eurybia sibirica.  Montana Field Guide.  .  Retrieved on , from