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Montana Field Guide

Montana Field Guides

Annual Bluegrass - Poa annua

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 bunchgrass. Stems usually decumbent, 5–20 cm long. Leaves: blades 1–3 mm wide; ligules 0.5–3 mm long. Inflorescence usually a pyramidal panicle 2–6 cm long. Spikelets 3–5 mm long. Lemmas distinctly keeled, conspicuously hairy at least at base along the midrib (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced throughout all 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:
Annual Bluegrass — Poa annua.  Montana Field Guide.  .  Retrieved on , from