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Montana Field Guide

Montana Field Guides

Cultivated Oat - Avena sativa
Other Names:  Avena fatua var. sativa

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

External Links






 
General Description
Cultivated annual bunchgrass. Stems 50–100 cm. Leaves: blades 5–10 mm wide. Inflorescence an open panicle 10–25 cm long. Spikelets 17–22 mm long, usually with 2 to 3 florets. Lemmas hairless, awnless or with a straight whitish awn 0.1–3 cm long, with an inconspicuous hairless callus (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
Introduced throughout most of N. America (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX) .

Summary of Observations Submitted for Montana
Number of Observations: 1

(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
Escaping cultivation at margins of fields and along roadsides and similarly disturbed settings (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:
Cultivated Oat — Avena sativa.  Montana Field Guide.  .  Retrieved on , from