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Montana Field Guide

Montana Field Guides

Winterfat - Krascheninnikovia lanata
Other Names:  Ceratoides lanata, Eurotia lanata

Native Species

Global Rank: G5
State Rank: SNR

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Monoecious or dioecious subshrub with stellate-pubescent, long-hairy foliage. Stems erect, to 40 cm, woody only at the base. Leaves short-petiolate, linear, 1–3 cm long with entire margins; smaller leaves in axillary fascicles. Inflorescence axillary clusters of small spikes. Flowers unisexual, apetalous. Male flowers a 4-parted calyx with 4 stamens. Female flowers enclosed in 2 partly united bracts; calyx absent. Fruit enclosed by densely long-hairy bracts, 4–6 mm long with divergent horn-like tips (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
In MT nearly statewide apart from northestern counties; AB to MB south to CA, NM, and TX (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 276

(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, steppe; plains, valleys, often with sagebrush (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Literature Cited AboveLegend:   View Online Publication
    • Great Plains Flora Association (McGregor, R.L., coordinator, and T.M. Barkley, R.E. Brooks, and E.K. Schofield - eds.). 1986. Flora of the Great Plains. Lawrence, KS: Univ. Press Kansas. 1392 pp.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Anderson, N.L. 1951. Field studies on the biology of range grasshoppers of southeastern Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 96 p.
    • Britton, M. P. 1955. An ecological study of a relict grassland and an adjacent grazed pasture in Beaverhead Valley, Montana. M.S. thesis. Montana State University, Bozeman. 23 pp.
    • Dolan, J.J. 1966. Long-term responses of dense clubmoss (Selaginella densa Rydb.) to range renovation practices in northern Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 83 pp.
    • Hildebrand, B. D. 1979. Habitat requirements of molting Canada Geese at Lima Reservoir, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 79 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Rundquist, V.M. 1973. Avian ecology on stock ponds in two vegetational types in north-central Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 112 p.
    • Semmens, W.J. 1996. Seasonal movements and habitat use of the Highlands/Pioneer Mountains bighorn sheep herd of southwest Montana. M. Sc. Thesis. Bozeman, MT: Montana State University. 103 p.
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Citation for data on this website:
Winterfat — Krascheninnikovia lanata.  Montana Field Guide.  .  Retrieved on , from