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Montana Field Guide

Montana Field Guides

Little Green Sedge - Carex viridula
Other Names:  Carex oederi, Carex oerderi var. viridula


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 8

External Links






 
General Description
Caespitose. Stems erect, 3–50 cm. Leaves basal and cauline; blades 1–2 mm wide. Inflorescence of 3 to 5 ascending, overlapping (rarely remote) spikes; the lowest bract longer than the inflorescence. Spikes: the uppermost male, 5–15 mm long; the lower female, 3–12 mm long, ellipsoid, subsessile (pedunculate). Perigynia spreading, green to tan, obovoid, glabrous, 2–3.5 mm long with a distinct, entire beak 0.5–1 mm long; stigmas 3. Female scales hyaline-bronze with a green or pale midvein, smaller than the perigynia. Achene 3-sided, nearly filling the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Circumboreal south to CA, UT, NM, IL and PA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 31

(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
Fens, shores of lakes, streams, often where calcareous; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View Online Publication
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    • Bailey, L.H. 1885. Studies of the types of various species of the genus Carex. Notes on Carex-XI. Memoirs of the Torrey Botanical Club, I(1):1-85.
    • Bright, J. 1925-1930. The Genus Carex in Pennsylvania, Trillia 9:1-33. A25BRI01PAUS
    • 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.
    • Fernald, M. L. 1950. Gray's manual of botany. Eighth edition. A handbook of the flowering plants and ferns of the central and northeastern United States and Adjacent Canada. American Book Co., New York.
    • Fernald. M. L. 1906. Some New or Little Known Cyperaceae of Eastern North America. Rhodora 8:126-130, 161-167, 181-184, 200.
    • Gleason, H. A., and A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. New York Botanical Garden, Bronx, NY. 910 pp.
    • Hermann, F.J. 1941. The Genus Carex in Michigan in American Midland Naturalist 25 (1): 1-72. A41HER01PAUS.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Mackenzie, K.K. 1935. Cyperacea. North American Flora. A35MAC01PAUS.
    • McCance, R.M., Jr., and J.F. Burns, eds. 1984. Ohio endangered and threatened vascular plants: Abstracts of state-listed taxa. Division Natural Areas and Preserves, Ohio Dept. Natural Resources, Columbus. 635 pp.
    • Michaux, Andre. 1803. Flora boreali- americana. V. 2:84. B03MIC01PAUS.
    • Voss, E.G. 1972. Michigan Flora Part I. Kingsport Press, Bloomfield Hills, Mich. B72VOS01PAUS
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Citation for data on this website:
Little Green Sedge — Carex viridula.  Montana Field Guide.  .  Retrieved on , from