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Montana Field Guide

Montana Field Guides

Moss phlox - Phlox muscoides
Other Names:  Phlox bryoides, Phlox hoodii ssp. muscoides

Native Species

Global Rank: G5T4T5
State Rank: S4?

Agency Status


External Links

General Description
Taprooted, cushion-forming. Stems ascending to erect, 1–3 cm, tangled-villous. Leaves closely overlapping, stiff, lanceolate, 2–4 mm long, tangled-villous, white-margined. Flowers solitary; calyx wooly-villous, 3–6 mm long with flat intercostal membranes; corolla white to bluish, the tube 4–10 mm long, lobes 2–4 mm long; style 2–5 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


Range Comments
OR to MT south to NV, UT, CO and NE (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 116

(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)

Often gravelly, calcareous soil of rock outcrops, exposed ridges and slopes in sagebrush steppe, grasslands, open forest; valleys, montane (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 flavifrons, Bombus melanopygus, Bombus pensylvanicus, Bombus bimaculatus, Bombus griseocollis, Bombus impatiens, and Bombus kirbiellus (Shaw and Taylor 1986, 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.
    • Shaw, D.C. and R.J. Taylor.1986. Pollination ecology of an alpine fell-field community in the North Cascades. Northwest Science 60:21-31.
  • 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.
    • 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:
Moss phlox — Phlox muscoides.  Montana Field Guide.  .  Retrieved on , from