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Montana Field Guide

Montana Field Guides

Little Bluestem - Schizachyrium scoparium
Other Names:  Andropogon scoparius


Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links






 
General Description
Bunchgrass occasionally with short rhizomes. Stems 30–100 cm, often red or rust colored when mature; sheaths flattened and keeled. Leaves: blades 2–5 mm wide; ligule 1–3 mm long. Inflorescence with numerous lateral branches each bearing a single spike 3–6 cm long; rachis and pedicels long hairy along margins. Spikelets: sessile spikelets 6–8 mm long, glumes purplish to greenish, acute. Lemmas: fertile lemma 4–6.5 mm long, with an awn 5–13 mm long; pedicellate spikelet reduced to a small glume 1–3 mm long (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Throughout most of N. America except at extreme northern latitudes (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 79

(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
On gravelly, rocky, and sandy soils especially in overgrazed rangelands and roadside (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:
Little Bluestem — Schizachyrium scoparium.  Montana Field Guide.  .  Retrieved on , from