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Montana Field Guide

Montana Field Guides

Plains reedgrass - Calamagrostis montanensis

Native Species

Global Rank: G5
State Rank: S4?

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

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General Description
Rhizomatous. Stems single to few-bunched, 20–50 cm. Leaves: blades 2–3 mm broad. Inflorescence a contracted panicle 5–10 cm long. Spikelets 3.5–6 mm long. Lemma with a bent awn barely if at all surpassing the glume tips, callus hairs one-half to two-thirds as long as lemma (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
In the northcentral states of provinces of North America (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 33

(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
Mostly moderately disturbed settings in open dry shrub steppe vegetation from low to middle 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:
Plains reedgrass — Calamagrostis montanensis.  Montana Field Guide.  .  Retrieved on , from