[The Sedge Family in the Columbia River Gorge of Oregon and Washington]

Flatsedges of the Columbia River Gorge of Oregon and Washington

The Genus Cyperus

False Flatsedge, False Nutsedge, Straw-colored Flatsedge: Cyperus strigosus (Synonyms: Cyperus hansenii, Cyperus stenolepis, Cyperus strigosus var. hansenii, Mariscus stenolepis, Mariscus strigosus)

Strawcolored flatsedge as seen in a ditch along Old Highway 8 at Rowland Lake in the Columbia River Gorge........October 12, 2011.

Sharp-pointed Flatsedge, Short Flatsedge, Taper-tip Flatsedge: Cyperus acuminatus (Synonyms: Cyperus acuminatus var. cyrtolepis, Cyperus cyrtolepis) -

Shining Flatsedge: Cyperus bipartitus (Synonyms: Cyperus niger var. rivularis, Cyperus rivularis) -

Asian Flatsedge: Cyperus difformis

Tall Flatsedge: Cyperus eragrostis (Synonym: Cyperus vegetus)

Redroot Flatsedge, Red-root Flatsedge, Red-rooted Flatsedge: Cyperus erythrorhizos (Synonyms: Cyperus cupreus, Cyperus erythrorhizos var. cupreus, Cyperus halei, Cyperus occidentalis, Cyperus washingtonensis) -

Chufa Flatsedge, Yellow Nutgrass, Yellow Nut-grass: Cyperus esculentus var. leptostachyus (Synonyms: Chlorocyperus phymatodes, Cyperus esculentus var. angustispicatus, Cyperus esculentus var. esculentus, Cyperus esculentus var. phymatodes, Cyperus fulvescens, Cyperus phymatodes, Cyperus repens, Cyperus tuberosus) -

Sand Flatsedge, Schweinitz's Flatsedge: Cyperus schweinitzii (Synonyms: Cyperus alterniflorus, Cyperus bushii, Cyperus lupulinus, Cyperus lupulinus ssp. lupulinus, Cyperus lupulinus ssp.. macilentus)

Awned Flatsedge, Bearded Flatsedge: Cyperus squarrosus (Synonyms: Chlorocyperus inflexus, Cyperus aristatus, Cyperus aristatus var. runyonii, Cyperus inflexus, Dichostylis aristata, Mariscus squarrosus) -

False Flatsedge, False Nutsedge, Straw-colored Flatsedge: Cyperus strigosus (Synonyms: Cyperus hansenii, Cyperus stenolepis, Cyperus strigosus var. hansenii, Mariscus stenolepis, Mariscus strigosus) -


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