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umbrella flatsedge

Cyperus reflexus

Cyperus diandrus

Flowering time June-August
Habitat Emergent shorelines in sandy, peaty, or slightly brackish areas (though seldom where disturbed).
Distribution
[BONAP county map]
Occurring east of the Cascades crest in southern Washington; native to central and eastern North America.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from eastern and central North America
Conservation status Not of concern
Sibling taxa
C. acuminatus, C. bipartitus, C. diandrus, C. eragrostis, C. erythrorhizos, C. esculentus, C. fuscus, C. lupulinus, C. lupulinus × C. schweinitzii, C. schweinitzii, C. squarrosus, C. strigosus
C. acuminatus, C. bipartitus, C. eragrostis, C. erythrorhizos, C. esculentus, C. fuscus, C. lupulinus, C. lupulinus × C. schweinitzii, C. schweinitzii, C. squarrosus, C. strigosus
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