Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Littleseed Ricegrass - Oryzopsis micrantha
Other Names:  Piptatherum micranthum

Status Under Review

Global Rank: G5
State Rank: SU

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:

External Links






 
General Description
Stems 30–80 cm. Leaves: blades 1–2.5 mm wide, smooth, ligules 1–2 mm long. Inflorescence a narrow to open panicle 5–20 cm long. Spikelets 3–3.5 mm long. Lemmas hairless to sparsely hairy, with a deciduous straight awn 5–8 mm long (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Throughout much of western and central U.S. and southwestern Canada (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 14

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

References
Login Logout
Citation for data on this website:
Littleseed Ricegrass — Oryzopsis micrantha.  Montana Field Guide.  .  Retrieved on , from