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Montana Field Guide

Montana Field Guides

Prairie Cordgrass - Spartina pectinata


Global Rank: G5
State Rank: S4

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

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General Description
Stems 1–2 m. Leaves: blades 3–5 mm wide; ligule 2–3 mm long. Inflorescences of 8 to 15 secund lateral spikes often appressed to the main rachis, each 3–4 cm long and with 20 to 30 spikelets. Spikelets 10–20 mm long, glumes short-awned. Lemmas distally scabrous (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Throughout much of N. America excepting the very southwest and southeast (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 19

(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
Along streams, marshes, and sloughs, often where alkaline (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:
Prairie Cordgrass — Spartina pectinata.  Montana Field Guide.  .  Retrieved on , from