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Montana Field Guide

Montana Field Guides

Pinegrass - Calamagrostis rubescens


Global Rank: G5
State Rank: S5

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

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General Description
Rhizomatous. Stems 60–100 cm. Leaves: blades 2–5 mm wide. Inflorescence a contracted panicle 4–15 cm long. Spikelets 4–4.5 mm long. Lemmas with a bent awn barely surpassing if at all the glume tips, callus hairs >1/2 the lemma length, sometimes less (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Throughout much of western 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: 488

(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:
Pinegrass — Calamagrostis rubescens.  Montana Field Guide.  .  Retrieved on , from