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Montana Field Guide

Montana Field Guides

Crested Wheatgrass - Agropyron cristatum
Other Names:  Agropyron desertorum

Exotic Species (not native to Montana)

Global Rank: G5
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

External Links






 
General Description
Stems mostly 30–80 cm. Leaves: blades 2–9 mm wide, often open but becoming inrolled upon drying, leaf sheaths and collar hairless. Inflorescence 2.5–7(–11) cm long, rachis continuous, the internodes 0.5–2.5(–5) mm long. Spikelets 6–11(–16) mm long, widely divergent from the main rachis; florets mostly 2 to 8 per spikelet, glumes shorter than florets, narrow and tapering to an awn-tip. Lemmas hairless, awn-tipped or with awns to 5 mm long. (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
Introduced and cultivated throughout much of N. America except in the southeast (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 121

(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
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Citation for data on this website:
Crested Wheatgrass — Agropyron cristatum.  Montana Field Guide.  .  Retrieved on , from