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Montana Field Guide

Montana Field Guides

Creeping Bentgrass - Agrostis stolonifera
Other Names:  Agrostis alba var palustris

Exotic Species (not native to Montana)

Global Rank: G5
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

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General Description
Rhizomatous perennial or stoloniferous sod grass often forming dense mats or patches. Stems decumbent at base, 20–120 cm. Leaves: blades 2–6 mm wide, ligules 2–7 mm long. Inflorescence a mostly diffuse panicle 5–30 cm long, sometimes contracting after anthesis. Spikelets 2–2.5 mm long (up to 10 mm long if infected). Lemmas 2–2.2 mm long, awnless or rarely minutely awned from the back; palea up to two-thirds as long as lemma. [This description includes Agrostis gigantea as a synonym] (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)

Species Range
Unknown/Undetermined
 


Range Comments
Introduced throughout all of 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: 76

(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
Wet meadows, stream sides, roadsides, pastures, and lawns 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:
Creeping Bentgrass — Agrostis stolonifera.  Montana Field Guide.  .  Retrieved on , from