Western Coneflower - Rudbeckia occidentalis
MNPS Threat Rank
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)
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:
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(Observations spanning multiple months or years are excluded from time charts)
- 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.