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Montana Field Guide

Montana Field Guides

Scouler's Hawkweed - Hieracium scouleri
Other Names:  Hieracium albertinum, Hieracium cynoglossoides

Native Species

Global Rank: G5
State Rank: S5

Agency Status
MNPS Threat Rank:
C-value: 4

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 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 Comments
BC, AB to CA, NV, UT and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 384

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)


The following animal species have been reported as pollinators of this species or genera where their geographic ranges overlap: Bombus ternarius, Bombus terricola, Bombus bohemicus, and Bombus flavidus (Heinrich 1976, 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.
  • 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.
    • 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. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 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.
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Citation for data on this website:
Scouler's Hawkweed — Hieracium scouleri.  Montana Field Guide.  .  Retrieved on , from