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Montana Field Guides

Clustered Field Sedge - Carex praegracilis

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Native Species

Global Rank: G5
State Rank: S4
C-value: 4


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Rhizomatous. Stems erect, 10–70 cm. Leaves: basal bladeless; cauline blades 1–2 mm wide. Inflorescence of 5 to 15 overlapping spikes in an elongate cluster; lowest bract shorter than the inflorescence. Spikes sessile, similar, ascending, ovoid; 5–8 mm long; male flowers above, few; female flowers below; sometimes spikes or inflorescences unisexual. Perigynia erect, narrowly ovate, green to brown, glabrous, 3–4 mm long, tapered to a serrulate beak 1–2 mm long; stigmas 2. Female scales lanceolate, tan with pale margins and midvein, hiding the perigynia. Achene 2-sided, nearly filling the perigynium (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
YT to QC south to CA, AZ, NM, MO, VA and Mexico (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 299

(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
Moist soil of meadows, woodlands, often around ponds, streams; plains, valleys, montane (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?
    • Clark, D. 1991. The effect of fire on Yellowstone ecosystem seed banks. M.Sc. Thesis. Montana State University, Bozeman. 115 pp.
    • Corr, D.R. 1988. Effects of stress inducing factors on musk thistle (Carduus nutans L,) including--grass competition, Rhinocyllus conicus Froel., terminal flower loss, and insecticides. M.Sc. Thesis. Bozeman, MT: Montana State University. 86 p.
    • Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
    • Law, D.J. 1999. A comparison of water table dynamics and soil texture under black cottonwood recent alluvial bar, beaked sedge, and Geyer's/Drummond's willow communities. M.Sc. Thesis. Bozeman, MT: Montana State University. 68 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
    • Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.
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Citation for data on this website:
Clustered Field Sedge — Carex praegracilis.  Montana Field Guide.  .  Retrieved on , from