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Montana Field Guide

Montana Field Guides

Stemless Mock Goldenweed - Stenotus acaulis
Other Names:  Haplopappus acaulis

Native Species

Global Rank: G5
State Rank: S5

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Mat-forming. Stems simple, erect, subscapose, 2–12 cm, mostly glabrate. Leaves mainly basal; blades oblanceolate 1–4 cm long, mostly glabrate, sometimes minutely ciliate, becoming linear on the stem. Involucres 7–12 mm high; phyllaries lanceolate, acute, white below with green tips, glabrous, viscid. Rays 5 to 13; ligules 5–11 mm long. Disk corollas 5–8 mm long, glabrous. Achenes 2–5 mm long, sometimes glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
OR to MT south to CA, AZ and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 290

(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)

Sparsely vegetated, often shallow soil of grasslands, sagebrush steppe, coniferous woodlands, rock outcrops, more common in calcareous soil; plains, valleys to rarely alpine (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?
    • Britton, M. P. 1955. An ecological study of a relict grassland and an adjacent grazed pasture in Beaverhead Valley, Montana. M.S. thesis. Montana State University, Bozeman. 23 pp.
    • Grove, A.J. 1998. Effects of Douglas fir establishment in southwestern Montana mountain big sagebrush communities. M. Sc.Thesis. Bozeman, MT: Montana State University. 150 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • South, P.R. 1957. Food habits and range use of the mule deer in the Scudder Creek area, Beaverhead County, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 34 p.
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Citation for data on this website:
Stemless Mock Goldenweed — Stenotus acaulis.  Montana Field Guide.  .  Retrieved on , from