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Montana Field Guide

Montana Field Guides

American Sloughgrass - Beckmannia syzigachne


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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General Description
Cool season, annual bunchgrass. Stems few-many-bunched, 10–80 cm. Leaves: blades 4–10 mm wide, flat and lax; sheaths with overlapping margins; ligule membranous. Inflorescences a contracted secund panicle 5–30 cm long. Spikelets with 1 floret, circular, strongly laterally flattened, 2.5–3 mm long; glumes 1 nerved, strongly laterally compressed. Lemmas with an apiculate tip (approaching a very short awn in some spikelets); palea well developed. Disarticulation below glumes; dispersal unit the spikelet (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Throughout most 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: 40

(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
Wet meadows, along ditches, streams, and lake banks, often rooted below water level (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:
American Sloughgrass — Beckmannia syzigachne.  Montana Field Guide.  .  Retrieved on , from