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Montana Field Guide

Montana Field Guides

Switchgrass - Panicum virgatum

Status Under Review
Native Species

Global Rank: G5
State Rank: S3S4
C-value: 4


Agency Status
USFWS:
USFS:
BLM:


 

External Links






 
General Description
Perennial bunchgrass with well-developed rhizomes. Stems 60–150 cm. Leaves: blades 2–10 mm wide; sheath essentially hairless; ligule a fringed membrane 3–5 mm long. Inflorescence an open panicle 12–40 cm long. Spikelets 3.5–4 mm long, first glume 3–3.5 mm long, second glume 3.5–4.5 mm long, distally keeled. Lemmas: sterile lemma distally keeled, fertile lemma blunt, light greenish at maturity (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Year-round
 


Range Comments
Throughout much of North America except for the very western and northern tier of states and provinces (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
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
From disturbance-prone settings especially roadsides and similar sites (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Brey, C.W. 1998. Epidemiology of wheat curl mite (Aceria tosichella K.) and wheat streak mosaic virus on feral grass species and effect of glyphosate on wheat curl mite dispersal. Ph.D. Dissertation. Bozeman, MT: Montana State University. 136 p.
    • Johnson, J.D. 2004. Restoring native species to crested wheatgrass dominated rangelands. M.Sc.Thesis. Bozeman, MT: Montana State University. 58 p.
    • King, L.A. 1980. Effects of topsoiling and other reclamation practices on nonseeded species establishment on surface mined land at Colstrip, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 129 p.
    • Murphy, C.Y. 2016. Chemical control and disease reservoir studies of the wheat curl mite (Aceria tosichella Keifer) vector to wheat streak mosaic virus. M.Sc. Thesis. Bozeman, MT: Montana State University. 75 p.
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Citation for data on this website:
Switchgrass — Panicum virgatum.  Montana Field Guide.  .  Retrieved on , from