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Montana Field Guide

Montana Field Guides

Douglas' Sedge - Carex douglasii


Global Rank: G5
State Rank: S4S5

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

External Links






 
General Description
Dioecious, rhizomatous. Stems erect, 5–30 cm. Leaves lower-cauline; blades 1–2 mm wide. Inflorescence of 3 to 15 spikes; densely clustered in an ovoid head; lowest bract usually shorter than the inflorescence. Spikes unisexual, sessile, ascending; female ovoid, 8–15 mm long; male lanceolate. Perigynia erect, lanceolate, green to tan, glabrous, 3.5–4.5 mm long including the slender beak 1–2 mm long; stigmas 2. Female scales ovate, tan with pale margins and midvein, hiding the perigynia. Achene 2-sided, partly filling the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC to SK south to CA, NM and KS (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 1

(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, often compacted or disturbed soil of grasslands, meadows, stream or lake terraces; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Douglas' Sedge — Carex douglasii.  Montana Field Guide.  .  Retrieved on , from