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Montana Field Guide

Montana Field Guides

Rough Bluegrass - Poa trivialis

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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General Description
Perennial rhizomatous. Stems loosely bunched, 40–100 cm tall, often decumbent and rooting at nodes. Leaves: blades 2–5 mm wide, lax, somewhat scabrous, ligules 3–10 mm long. Inflorescence an oblong open panicle 8–25 cm long. Spikelets 3–5 mm long. Lemmas 2.5–3.5 mm long, with a cobwebby base, keeled (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced throughout much of N. America (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

References
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Citation for data on this website:
Rough Bluegrass — Poa trivialis.  Montana Field Guide.  .  Retrieved on , from