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Montana Field Guide

Montana Field Guides

Long-stolon Sedge - Carex inops
Other Names:  Carex pensylvanica [in part], Carex heliophila

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Native Species

Global Rank: G5
State Rank: S5
C-value: 4


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Rhizomatous. Stems erect, 8–30 cm, tufted. Leaves basal and cauline; blades 1–4 mm wide. Inflorescence of 2 to 3 well-separated sessile spikes; the lowest bract shorter than the inflorescence. Spikes unisexual; the uppermost male, linear, 5–20 mm long; the lower female, ascending, 5–12 mm long, ovoid. Perigynia ascending, greenish, obovoid, short-stalked, pilose, 3–4 mm; the bidentate beak 0.5–1 mm long; stigmas 3. Female scales ovate, awned, tan to brown with a green midstripe and hyaline margins, not completely concealing the perigynia. Achene 3-sided, filling the perigynium (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Montana plants are variety heliophila (Mack.) Crins.

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
AB to MB south to CA, NM, IA and 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: 611

(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
Sandy or stony soil of grasslands, sagebrush steppe, woodlands, forest openings; 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?
    • Ahlenslager. 1988. Carex heliophila. In: Fire Effects Information System, [Online}. U. S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer).
    • 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.
    • 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.
    • Plantenberg, P.L. 1983. Factors affecting vegetation development on mined land at Colstrip, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 121 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 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:
Long-stolon Sedge — Carex inops.  Montana Field Guide.  .  Retrieved on , from