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Montana Field Guide

Montana Field Guides

Geyer's Sedge - Carex geyeri


Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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General Description
Branched-rhizomatous, densely caespitose. Stems erect, 10–35 cm, clustered. Leaves: basal bladeless; cauline blades 1–2 mm wide. Inflorescence a solitary bractless spike. Spike narrow, 10–35 mm long; male-flowered portion above, 8–25 mm long; female flowers below, 1 to 3, well-separated. Perigynia ellipsoid with a thick, basal stalk, 5–7 mm long, green to brown, glabrous; stigmas 3. Female scales acuminate, light brown with hyaline margins, hiding the perigynia. Achene 3-sided, filling the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC, AB south to NV, UT and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 440

(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
Open forests, grasslands, meadows; valleys to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Geyer's Sedge — Carex geyeri.  Montana Field Guide.  .  Retrieved on , from