Lance-leaved Goldenweed -
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Native Species Global Rank
State Rank Reason below) C-value
Agency Status USFWS
State Rank Reason (see State Rank above)
Pyrrocoma lanceolata is widely scattered from southwest to northeast Montana. It grows in moist to wet meadows in the plains, valleys, and montane areas. In southwest Montana plants appear to share characteristics with P. uniflora plants. More information on this plant's locations, population sizes, and threats are needed.
Details on Status Ranking and Review
Score F - 20,000-200,000 sq km (~8,000-80,000 sq mi) Area of Occupancy
Score D - 6-25 4-km2 grid cells Number of Populations
Score C - 21 - 80 Number of Occurrences or Percent Area with Good Viability / Ecological Integrity
Score B - Very few (1-3) occurrences with excellent or good viability or ecological integrity Environmental Specificity
Score C - Moderate. Generalist or community with some key requirements scarce Threats
Score D - Low
CommentThreat category includes: Invasive non-native/alien species/diseases.
Stems ascending, 10–40 cm, glabrate to sparsely villous. Leaf blades linear-oblanceolate to oblanceolate, spiny-dentate to entire, 2–10 cm long, glabrate. Heads 3 to 8, rarely solitary, radiate; involucre hemispheric, 7–10 mm high; phyllaries in 3 to 4 series, lanceolate, pointed, white below, green above, ciliate to villous. Rays 18–45; ligules 5–11 mm long. Disk corollas 4–7 mm long. Achenes 3–5 mm long, sericeous (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
Our plants are variety
AB, SK south to CA, UT CO andTX (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
Literature Cited Above
Legend: View Online Publication Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p. Additional References
Legend: View Online Publication Do you know of a citation we're missing? Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp. Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.