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Montana Field Guide

Montana Field Guides

Sticky Mouse-ear Chickweed - Cerastium glomeratum
Other Names:  Sticky Chickweed, Clammy Chickweed, Cerastium viscosum

Non-native Species

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

Agency Status


External Links

General Description
Slenderly taprooted annual with hirsute and glandular foliage. Stems ascending to erect, branched at the base, 10–30 cm. Leaves oblanceolate, petiolate below, 8–25 mm long, rarely fascicled. Inflorescence few to many tight clusters or an open cyme; pedicels smaller than the sepals. Flowers: sepals 4–5 mm long with non-glandular, multi-cellular hairs; petals 3–5 mm long. Capsule 7–10 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
Missoula and Sanders counties; most of temperate North America except the Great Plains, introduced from Europe (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 17

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Relative Density



(Observations spanning multiple months or years are excluded from time charts)


The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus pensylvanicus (Colla and Dumesh 2010).


  • Literature Cited AboveLegend:   View Online Publication
    • Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141: 39-68.
    • 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?
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • Tuinstra, K. E. 1967. Vegetation of the floodplains and first terraces of Rock Creek near Red Lodge, Montana. Ph.D dissertation. Montana State University, Bozeman 110 pp.
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Citation for data on this website:
Sticky Mouse-ear Chickweed — Cerastium glomeratum.  Montana Field Guide.  .  Retrieved on , from