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Montana Field Guide

Montana Field Guides

Barnyard Grass - Echinochloa crus-galli

Non-native Species

Global Rank: GNR
State Rank: SNA

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

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General Description
Warm season, annual bunchgrass. Stems 10–120 cm long, few- to many-bunched, usually sprawling to ascending. Leaves: blades 5–25 mm wide, flat and lax; ligule absent or represented by a pigmented rim; sheaths with overlapping margins. Inflorescence a contracted secund panicle 5–22 cm long. Spikelets 2.5–4.5 mm long (excluding awns) with one fertile floret; first glume 1–1.5 mm long, second glume 2.5–4.5 mm long, gradually tapering to a sharp-pointed tip, with stiff coarse hairs along veins. Lemmas: sterile lemma like second glume and with an awn 0.5–20 mm long; fertile lemma awnless with an acute apex globe-like. Disarticulation above the glumes; unit of dispersal the floret (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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

Summary of Observations Submitted for Montana
Number of Observations: 9

(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
Regularly disturbed settings such as cracks in sidewalks and parking lots, in lawns, along roadsides, and around cultivated fields (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:
Barnyard Grass — Echinochloa crus-galli.  Montana Field Guide.  .  Retrieved on , from