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Montana Field Guide

Montana Field Guides

Awned Sedge - Carex atherodes


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

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General Description
Rhizomes deep. Stems erect, 40–100 cm, tufted. Leaves: basal and cauline; blades 3–10 mm wide; sheaths pilose. Inflorescence of 4 to 10 well-separated spikes; the lowest bract equal to or greater than the inflorescence. Spikes ascending to erect; the uppermost 2 to 4 male; the lower female, 2–7 cm long, pedunculate, cylindric. Perigynia ascending, green to tan, lanceolate, veiny, glabrous, 7–10 mm long including an apically divided beak, 3–5 mm long; stigmas 3. Female scales brown, lanceolate, long-awned, narrower and as long as the perigynia. Achene 3-sided, smaller than the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 27

(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 to wet meadows, marshes, riparian forests, often around lakes, ponds where inundated early but eventually drying; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Awned Sedge — Carex atherodes.  Montana Field Guide.  .  Retrieved on , from