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Montana Field Guide

Montana Field Guides

Western Coneflower - Rudbeckia occidentalis

Native Species

Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

External Links






 
General Description
Stems 50–200 cm. Herbage glabrate; leaves minutely ciliate. Leaf blades ovate, acuminate, 5–20 cm long, entire to serrate. Heads discoid; phyllaries lanceolate, sparsely puberulent, 10–25 mm long; receptacle conic, 15–45 mm high. Disk corollas yellow below, purple above, 3–5 mm long. Achenes 3–5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 72

(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
Moist meadows, forest openings, often along streams; valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View Online Publication
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    • Gobielle, J. 1992. The effects of fire on Merriam's turkey broad habitat in southeastern Montana. M.S. thesis, Montana State University, Bozeman. 61 pp.
    • Hollenbeck, R.R. 1974. Growth rates and movements within a population of Rana pretiosa pretiosa Baird and Girard in south central Montana. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 66 p.
    • Joslin, G.J. 1975. Behavior and environmental selection by Elk (Cervus canadensis nelsoni) during surrmer and fall in the First and Second Yellow Mule drainages, Madison County, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University, Bozeman. 65 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Stoecker, R.E. 1967. A population study of five species of small rodents in the Bridger Mountains of Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 32 p.
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Citation for data on this website:
Western Coneflower — Rudbeckia occidentalis.  Montana Field Guide.  .  Retrieved on , from