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Montana Field Guide

Montana Field Guides

Pale Agoseris - Agoseris glauca

Native Species

Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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General Description
Perennial 8–50 cm. Leaves linear to oblanceolate, 3–35 cm long, entire or with 1 to 3 pairs of shallow lobes. Herbage glabrous to sparsely villous. Involucre 1–2 cm long; phyllaries linear-lanceolate to lanceolate, in 2 to 3 indistinct series, green, glabrous to villous, sometimes glandular, often darkened along the midvein. Rays yellow; ligules 6–22 mm long. Pappus 8–18 mm long. Achene body 4–9 mm long; beak 0.5–3 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety glauca or variety dasycephala (Torr.& A.Gray) Jeps.

Species Range
Montana Range

Year-round
 


Range Comments
BC to ON south to CA, AZ, NM, SD and MI (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 1866

(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
Grasslands, meadows, sagebrush steppe, turf; all elevations (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).)

References
  • Additional ReferencesLegend:   View Online Publication
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    • Britton, M. P. 1955. An ecological study of a relict grassland and an adjacent grazed pasture in Beaverhead Valley, Montana. M.S. thesis. Montana State University, Bozeman. 23 pp.
    • 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.
    • Dale, D. 1973. Effects of trail use under forests in the Madison Range, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 96 pp.
    • Douglass, R.J. 1973. Spatial interactions and microhabitat selections of two locally sympatric voles, Microtus montanus and Microtus pennsylvanicus. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 48 p.
    • Eversman, S.T. 1968. A comparison of plant communities and substrates of avalanche and non-avalanche areas in south central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 39 pp.
    • Forcella, F. 1977. Flora, chorology, biomass and productivity of the Pinus albicaulis-Vaccinium scoparium association. M.S. Thesis. Bozeman, MT: Montana State University. 99 pp.
    • 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.
    • Wiman, N.G. 2001. Dynamics of leafy spurge (Euphorbia esula L.) infested plant communities influenced by flea beetles in the Aphthona complex (Colepotera: Chrysomelidae). M.Sc. Thesis. Bozeman, MT: Montana State University. 148 p.
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Citation for data on this website:
Pale Agoseris — Agoseris glauca.  Montana Field Guide.  .  Retrieved on , from