Indian Ricegrass - Oryzopsis hymenoides
MNPS Threat Rank
Stems 30–60 cm. Leaves: blades about 1 mm wide (because they are typically inrolled), usually smooth; ligules mostly 1–2 mm long. Inflorescence an open panicle 10–20 cm long. Spikelets 5–6 mm long. Lemmas densely long-hairy, with a deciduous awn 4–6(–9) mm long (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Throughout western and central U.S. and the southwestern portion of Canada (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
Open dry exposed sites on a diversity of substrates including sandy and gravelly soils (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
- Additional ReferencesLegend: View Online Publication
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- Johnson, J.D. 2004. Restoring native species to crested wheatgrass dominated rangelands. M.Sc.Thesis. Bozeman, MT: Montana State University. 58 p.
- Johnson, J.R. 1966. The effects of some environmental influences on big sagebrush, Artemisia tridentata Nutt., reinvasion. M.Sc. Thesis. Bozeman, MT: Montana State University. 100 pp.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.