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Montana Field Guide

Montana Field Guides

Bristly Stickseed - Lappula squarrosa
Other Names:  European Stickseed, Bristly Sheepburr, Burr Forget-me-not, Lappula echinata, Lappula myosotis, Lappula fremontii

Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 1

Agency Status


External Links

General Description
Stems 5–40 cm. Leaves 1–7 cm long; Flowers: calyx 2–3 mm long; corolla blue, 3–4 mm long, 1–3 mm across the limb. Nutlet body 2–3 mm long; marginal prickles in 2 to 3 rows, of different lengths, distinct at the base (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


Range Comments
Introduced in much of temperate North America; native to Eurasia, possibly native in the Rocky Mountain region (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 80

(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 disturbed soil of grasslands, sagebrush steppe, woodlands, streambanks, roadsides; plains, valleys(Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).


  • Literature Cited AboveLegend:   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 ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Boggs, K. W. 1984. Succession in riparian communities of the lower Yellowstone River, Montana. M.S. Thesis. Montana State University, Bozeman, 107 pp.
    • Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
    • Dillard, S.L. 2019. Restoring semi-arid lands with microtopography. M.Sc. Thesis. Bpzeman, MT: Montana State University. 97 p.
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Citation for data on this website:
Bristly Stickseed — Lappula squarrosa.  Montana Field Guide.  .  Retrieved on , from