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Montana Field Guide

Montana Field Guides

Woolly Goldenweed - Stenotus lanuginosus
Other Names:  Haplopappus lanuginosus

Native Species

Global Rank: G5
State Rank: S4

Agency Status
MNPS Threat Rank:

External Links

General Description
Mat-forming. Stems simple, ascending to erect, subscapose, 4–30 cm, villous to tomentose, glandular. Leaf blades linear to oblanceolate 1–5 cm long, sparsely villous to tomentose. Involucres 7–15 mm high; phyllaries lanceolate, green, ciliate, glandular. Rays 9 to 17; ligules 6–14 mm long. Disk corollas 5–7 mm long, sericeous. Achenes 2–5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Diagnostic Characteristics
Montana material has generally been assigned to variety andersonii, though some specimens are intermediate to the typical variety and have stems that are lanate and eglandular (Morse 2006).

Species Range

Range Comments
WA, MT, ID, CA, NV (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 88

(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)

Stony soil of sagebrush steppe, grasslands, fellfields, coniferous woodlands; montane to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Additional ReferencesLegend:   View Online Publication
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    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
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Citation for data on this website:
Woolly Goldenweed — Stenotus lanuginosus.  Montana Field Guide.  .  Retrieved on , from