Umber Pussytoes - Antennaria umbrinella
Stoloniferous, mat-forming from a branched caudex. Stems erect, 4–20 cm. Basal leaves oblanceolate to linear-spatulate, 5–15 mm long, 1-nerved. Stem leaves linear, 7–15 mm long. Inflorescence corymbiform with 3 to 10 heads. Involucre: female 4–7 mm high; male 3–5 mm high. Phyllaries rounded, dirty white above dark brown below. Corolla female 3–4 mm long; male 2–3 mm long. Pappus 3–5 mm long. Achenes ca. 1 mm long, glabrous (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
BC to MB, south to CA, AZ and CO (Lesica et al. 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)
Often stony or shallow soil in grasslands, fellfields, sagebrush steppe; valleys to alpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus pensylvanicus
(Colla and Dumesh 2010).
- 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
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- Aho, Ken Andrew. 2006. Alpine and Cliff Ecosystems in the North-Central Rocky Mountains. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 343 p.
- Durham, R. A., D. L. Mummey, L. Shreading, and P.W. Ramsey. 2017. Phenological patterns differ between exotic and native plants: Field observations from the Sapphire Mountains, Montana. Natural Areas Journal, 37(3), 361–381.
- 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.
- Hawkins, P.H. 1903. The alpine flora of Montana. M.Sc. Thesis, Bozeman, MT: Montana State University. 24 pp.
- Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
- Nunlist, E.A. 2020. Grizzly bears and humans at two moth aggregation sites in Wyoming. M.Sc. Thesis. Bozeman, MT: Montana State University. 110 p.
- Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 p.
- Williams, K.L. 2012. Classification of the grasslands, shrublands, woodlands, forests and alpine vegetation associations of the Custer National Forest portion of the Beartooth Mountains in southcentral Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 376 p.