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Montana Field Guide

Montana Field Guides

Black-and-white Scale Sedge - Carex albonigra


Global Rank: G5
State Rank: S4S5

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

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General Description
Caespitose. Stems erect, 8–25 cm. Leaves basal and lower-cauline; blades 2–5 mm wide. Inflorescence of 2 to 4 short-pedunculate, erect spikes forming a tight cluster; lowest bract inconspicuous. Spikes 8–15 mm long, terminal largest; male flowers basal. Perigynia erect, purplish-black, elliptic, 2–4 mm long, including the short beak, scabrous on the margins; stigmas 3. Female scales dark brown to black with light margins, as long as but narrower than the perigynia. Achene 3-sided, partly filling the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 3

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Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

References
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Citation for data on this website:
Black-and-white Scale Sedge — Carex albonigra.  Montana Field Guide.  .  Retrieved on , from