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Scouler's Hawkweed - Hieracium scouleri
Other Names:
Hieracium albertinum, Hieracium cynoglossoides
Native Species
Global Rank:
G5
State Rank:
S5
C-value:
4
Agency Status
USFWS:
USFS:
BLM:
External Links
General Description
Plants from slender caudex branches. Stems simple, erect, 15–100 cm. Herbage long-hirsute, stellate-hairy, sometimes glabrate above. Leaves basal and cauline, sessile above; blades lanceolate to oblanceolate, entire, 2–15 cm long. Heads 5 to 50; involucre campanulate, 9–13 mm high; phyllaries linear-lanceolate, setose-hirsute, stellate-hairy, sometimes stipitate glandular. Rays 20 to 45, yellow ligules 6–12 mm long. Achenes ca. 3 mm long; pappus white or tawny (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Montana has varieties
scouleri, griseum A. Nelson and
albertinum (Farr) G.W. Douglas & G.A. Allen.
Species Range
Montana Range
Range Descriptions
Native
Range Comments
BC, AB to CA, NV, UT and WY (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 313
(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
Ecology
POLLINATORS The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap:
Bombus ternarius,
Bombus terricola,
Bombus bohemicus, and
Bombus flavidus (Heinrich 1976, 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?- Ament, R.J. 1995. Pioneer Plant Communities Five Years After the 1988 Yellowstone Fires. M.Sc. Thesis. Bozeman, MT: Montana State University. 216 p.
- Clark, D. 1991. The effect of fire on Yellowstone ecosystem seed banks. M.Sc. Thesis. Montana State University, Bozeman. 115 pp.
- Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
- 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.
- Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
- 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.
- Morgan, J.T. 1993. Summer habitat use of white-tailed deer on the Tally Lake ranger district, Flathead National Forest. Ph.D. Dissertation. Montana State University, Bozeman. pp. 103.
- Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 p.
- Simanonok, M.P. and L.A. Burkle. 2019. Nesting success of wood-cavity-nesting bees declines with increasing time since wildfire. Ecology and Evolution 9:12436-12445.
- 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.
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