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Montana Field Guide

Montana Field Guides

Grouse Whortleberry - Vaccinium scoparium

Native Species

Global Rank: G5
State Rank: S5

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Dwarf shrubs to ca. 20 cm. Stems slender, branching angle narrow, erect-ascending, broomlike, those 2–3 yr old green, sharply angled. Leaves to 15 mm long; blades elliptic to narrowly ovate. Flowers urn-shaped, to ca. 3 mm long, longer than wide, white-tinged with pink. Berry bright, tomato-red, to ca. 4 mm broad (Stickney in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
BC, AB south to CA, NV, UT, NM and SD (Stickney in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX) .

Observations in Montana Natural Heritage Program Database
Number of Observations: 5323

(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)


  • Additional ReferencesLegend:   View Online Publication
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    • Forcella, F. 1977. Flora, chorology, biomass and productivity of the Pinus albicaulis-Vaccinium scoparium association. M.S. thesis. Montana State University, Bozeman. 99 pp.
    • Forcella, F., and T. Weaver. 1979. Food production in the Pinus albicaulis/Vaccinium scoparium association. Montana Acad. Sci. Proc. 39:73-80.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
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Citation for data on this website:
Grouse Whortleberry — Vaccinium scoparium.  Montana Field Guide.  .  Retrieved on , from