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Blackened Sedge - Carex atrosquama
Other Names:
Carex atrata var atrosquama
Native Species
Global Rank:
G5
State Rank:
S4
C-value:
5
Agency Status
USFWS:
USFS:
BLM:
External Links
General Description
Caespitose with old leaves at the often reddish base. Stems erect, 10–45 cm. Leaves basal and lower-cauline; blades 1–4 mm wide. Inflorescence of 3 to 5 short-pedunculate, ascending to erect, loosely clustered spikes. Spikes 10–18 mm long, all similar; male flowers basal on uppermost spike otherwise all female. Perigynia green to purplish, elliptic, 3–4 mm long, scabrous on the margins; beaks 0.3–0.5 mm long; stigmas 3. Female scales blackish throughout, as long or barely shorter than the perigynia but nearly as broad. Achene 3-sided, partly 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
AK to NT south to UT and CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
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
Stewardship Responsibility
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?
Hodgson, J.R. 1970. Ecological distribution of Microtus montanus and Microtus pennsylvanicus in an area of geographic sympatry in southwestern Montana. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 65 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.
- Saunders, J.K. Jr. 1955. Food habits and range use of the Rocky Mountain goat in the Crazy Mountains, Montana. Journal of Wildlife Management 19(4):429-437.
- Saunders, J.K., Jr. 1954. A two-year investigation of the food habits and range use of the Rocky Mountain goat in the Crazy Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 22 p.
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