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Montana Field Guide

Montana Field Guides

Scouler's Willow - Salix scouleriana

Native Species

Global Rank: G5
State Rank: S5

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Shrub or rarely a small tree to 12 m tall. Twigs short-hairy. Leaf blades 2–12 cm long, obovate to elliptic, widest above the middle with entire to serrulate margins, green above, glaucous and sparsely hairy beneath. Female catkins 2–6 cm long, emerging with the leaves on leafless branchlets 3–7 mm long; scales dark brown, long-hairy. Capsules 5–8 mm long, densely short-hairy; stipes 1–2 mm long; style ca. 0.5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
AK to MB south to CA, NM, SD and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 387

(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)

Coniferous and riparian forests, avalanche slopes; valleys to subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Argus, G. 2010. Salix. In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 16+ vols. New York and Oxford. Vol. 7.
    • Dorn, R.D. 2010. The genus Salix in North America north of Mexico. 59 pp.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Little, E.L., Jr. 1979. Checklist of United States trees (native and naturalized). Agriculture Handbook No. 541. U.S. Forest Service, Washington, D.C. 375 pp.
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Citation for data on this website:
Scouler's Willow — Salix scouleriana.  Montana Field Guide.  .  Retrieved on , from