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Montana Field Guide

Montana Field Guides

Few-flowered Oatgrass - Danthonia unispicata


Global Rank: G5
State Rank: S4

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

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General Description
Stems 15–30 cm. Leaves: blades 1–2 mm wide; sheath at least near the throat densely long-hairy, the hairs wide-spreading and 2–4 mm long; collar long-hairy; ligule 0.2–0.5 mm long. Inflorescence with mostly 1 spikelet, rarely 2 or 3. Spikelets 14–24 mm long, with 4 to 9 florets. Lemmas 7–11 mm long, hairless on the back, sparely hairy along margins, with awns 7–12 mm long (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
MC to BC, south to CO and CA.

Summary of Observations Submitted for Montana
Number of Observations: 25

(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
Open understory and shrub steppe from middle to subalpine elevations (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Few-flowered Oatgrass — Danthonia unispicata.  Montana Field Guide.  .  Retrieved on , from