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Montana Field Guide

Montana Field Guides

Merten's Sedge - Carex mertensii


Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 3

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General Description
Caespitose. Stems erect to ascending, 40–80 cm. Leaves basal and cauline; blades 3–8 mm wide. Inflorescence of 5 to 10 overlapping, pedunculate, arching spikes; lowest bract longer than the inflorescence. Spikes cylindric, 1–4 cm long, bisexual all similar; male flowers few, basal; uppermost spike sometimes mostly male. Perigynia erect, green to tan, elliptic, 2.5–4.5 mm long, glabrous, flattened with a tiny beak; stigmas 3. Female scales lanceolate, blackish with a light midvein, shorter and narrower than the perigynia. Achene 3-sided, much smaller than the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK to CA, ID, MT; Asia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
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
Thickets, moist forest, often along streams, lakes, roads; montane, subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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