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

The Genus Cyperus

The photo above shows a close-up of the inflorescence of strawcolored flatsedge as seen along the Deschutes River in the eastern Columbia River Gorge.........................September 1, 2007.

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

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 (Synonym: Cyperus esculentus var. esculentus) -

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) -

Paul Slichter E-mail