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Montana Field Guide

Montana Field Guides

Carex diluta - Carex diluta

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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General Description
Short-rhizomatous. Stems erect, 15–50 cm, tufted. Leaves mainly basal, yellowish; blades 2–5 mm wide. Inflorescence of 3 to 5 well-separated, pedunculate spikes; the lowest bract greater than the inflorescence. Spikes: 1–2 cm long; the uppermost male, erect, 8–25 mm long; the lower female, ascending to spreading, cylindric. Perigynia ascending to spreading, yellowish, narrowly obovoid, glabrous, veiny, 2.5–3.5 mm long; beak 0.4–0.7 mm long. Female scales ovate, acute, scarious-margined, shorter than the perigynia. Achene 3-sided, smaller than the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
Introduced to Madison County; native to Europe (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

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