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Montana Field Guide

Montana Field Guides

Arctic Aster - Eurybia sibirica
Other Names:  Aster sibiricus

Native Species

Global Rank: G5
State Rank: S4
C-value: 5


Agency Status
USFWS:
USFS:
BLM:


 

External Links






 
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 et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 32

(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 et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Ecology
POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans, Bombus ternarius, and Bombus terricola (Colla and Dumesh 2010).


References
  • Literature Cited AboveLegend:   View Online Publication
    • Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141:39-68.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Arctic Aster"
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Citation for data on this website:
Arctic Aster — Eurybia sibirica.  Montana Field Guide.  .  Retrieved on , from