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Montana Field Guide

Montana Field Guides

Leafy Bentgrass - Agrostis pallens
Other Names:  Agrostis diegoensis

Status Under Review
Native Species

Global Rank: G4G5
State Rank: SU

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 6

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General Description
Perennial bunchgrass with long and slender rhizomes. Stems 60–80 cm. Leaves: blades 2–6 mm wide, ligules 1–6 mm long. Inflorescence a contracted to somewhat open panicle, 7–11 cm long. Spikelets 3–3.5 mm long. Lemmas 2.2–2.5 mm long, awnless or with an apiculate awn; palea lacking or minute (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Collected in Beaverhead County; very western North America extending east to ID and MT (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX) . Other sources (Rocky Mountain Herbarium database website [accessed 31 Dec. 2012; Kartesz in prep. 2012) also indicate records for Granite, Missoula, Ravalli, and Park counties.

Observations in Montana Natural Heritage Program Database
Number of Observations: 8

(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:
Leafy Bentgrass — Agrostis pallens.  Montana Field Guide.  .  Retrieved on , from