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Montana Field Guide

Montana Field Guides

Douglas's Catchfly - Silene douglasii

Native Species

Global Rank: G5
State Rank: S4
(see State Rank Reason below)
C-value: 5

Agency Status


External Links

State Rank Reason (see State Rank above)
Numerous collections at MONTU from Granite, Missoula, Madison, Beaverhead, Glacier, Park, DeerLodge Counties.

Probably handles disturbance fairly well.
General Description
Perennial with a finely branched caudex and glabrous to puberulent foliage below the inflorescence. Stems ascending, 10–50 cm. Leaves: basal oblanceolate, numerous; cauline linear to narrowly oblanceolate, 1–6 cm long. Inflorescence a few-flowered cyme. Flowers: calyx campanulate, inflated at maturity, sometimes glandular, 12–15 mm long, 10-nerved; petals white; the blade 4–6 mm long, shallowly bilobed with 2 apparent appendages; styles 3 to 5. Capsule opening by 3 to 5 slits, equaling the calyx at maturity. Our plants are variety douglasii (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
BC to CA, NV, and UT (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 11

(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)

Grasslands, stony meadows; valleys to subalpine, more common lower (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans, Bombus pensylvanicus, and Bombus impatiens (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.
    • 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:
Douglas's Catchfly — Silene douglasii.  Montana Field Guide.  .  Retrieved on , from