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Montana Field Guide

Montana Field Guides

Sprangletop - Scolochloa festucacea

Species of Concern

Global Rank: G5
State Rank: S1
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

External Links






State Rank Reason (see State Rank above)
Scolochloa festucacea occurs through most of Canada and in portions of mid-western and western States. In Montana it is known from 3 locations collected from 1949 to 1999 in Flathead County. A fourth location from a specimen with a poorly defined location in Carbon county needs to be verified. Surveys to find this species have been unsuccessful.
 
General Description
Cool season, perennial, rhizomatous, aquatic. Stems 1–2 m. Leaves: blades 5–11 mm wide, flat and ascending; ligule membranous, 4–8 mm long; sheaths with overlapping margins. Inflorescence an open panicle 15–26 cm long. Spikelets 7–11 mm long, with 5 to 9 florets; glumes similar to lemmas. Lemmas 4–9 mm long, each with a distinctly hairy callus, usually keeled and distinctly parallel veined, unawned but with an acute tip; palea enclosed in floret. Disarticulation above glumes; unit of dispersal is the floret (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Collected in Flathead County; throughout the northwest region 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: 3

(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

References
  • Literature Cited AboveLegend:   View Online Publication
    • Flora of North America Editorial Committee, eds. 2007. Flora of North America North of Mexico. Volume 24. Magnoliophyta: Commelinidae, Part 1. Oxford University Press, Inc., NY. xxxiii + 911 pp.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Sturm, J. and J.G. Sturm. 1796. Deutschlands Flora in Abbildungen (nur Tafeln). Stuttgart, Germany. 882 pp.
  • Additional ReferencesLegend:   View Online Publication
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    • Britton, N. L. and A. B. Brown. 1913. An Illustrated Flora of the Northern United States, Canada, and the British Possessions. 2nd Edition in 3 Volumes. New York, NY: Charles Scribner's Sons. B13BRI01PAUS.
    • Smith, A. L. 1973. Life cycle of the marsh grass Scolochloa festucacea. Canadian Journal of Botany 51:1661-1668.
  • Web Search Engines for Articles on "Sprangletop"
  • Additional Sources of Information Related to "Monocots"
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Citation for data on this website:
Sprangletop — Scolochloa festucacea.  Montana Field Guide.  .  Retrieved on , from