Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Foxtail Timothy - Crypsis alopecuroides
Other Names:  Foxtail Pricklegrass, Heleochloa alopecuroides

Non-native Species

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

Agency Status


External Links

General Description
Warm season, annual bunchgrass or in large patches. Stems 10–30 cm. Leaves: blades 1–3 mm wide, flat and ascending; ligule hairy, ca. 1 mm long. Inflorescence a cylindrical spike-like panicle 1–6 cm long, 2.5–4 mm wide. Spikelets 2–2.5 mm long with 1 floret; glumes enclosing the floret. Lemmas 1.5–2.5 mm long. Disarticulation below glumes; unit of dispersal the spikelet (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
Introduced primarily in the western U.S. (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 15

(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)



  • 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?
    • Eggers, M.J.S. 2005. Riparian vegetation of the Montana Yellowstone and cattle grazing impacts thereon. M.Sc. Thesis. Montana State University, Bozeman, MT. 125 p.
  • Web Search Engines for Articles on "Foxtail Timothy"
Login Logout
Citation for data on this website:
Foxtail Timothy — Crypsis alopecuroides.  Montana Field Guide.  .  Retrieved on , from