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Montana Field Guide

Montana Field Guides

Lesser Panicled Sedge - Carex diandra


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 8

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General Description
Stems erect, 15–75 cm. Leaves: basal bladeless; cauline sheaths white, minutely red-dotted opposite the blades that are 1–3 mm wide. Inflorescence: spikes numerous, sessile, congested, ovoid, clustered on overlapping branches; lowest bract inconspicuous. Spikes 3–7 mm long, all similar; male flowers above female. Perigynia ascending, lanceolate, tan to brown, glabrous, serrulate-margined, 2.5–3 mm tapered to the ca. 1 mm long beak; stigmas 2. Female scales tan, hyaline-margined, lanceolate, barely shorter and narrower than the perigynia. Achene 2-sided, filling the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Circumboreal south to CA, UT, CO, IL and PA (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 22

(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
Often calcareous fens, marshes; valleys to montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Lesser Panicled Sedge — Carex diandra.  Montana Field Guide.  .  Retrieved on , from