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Common (vernacular) names applied to California vascular plants

compiled by Elizabeth Painter

up to date as of May 1, 2016

Common names (also referred to as vernacular names) are applied differently at different times and places by different users. This list is compiled from many sources and is intended to be as comprehensive as possible. It is not intended to indicate which common name is correct or preferred. Please send comments about this page to Elizabeth Painter (

TaxonCyperus rotundus
Family common name(s)sedge; sedges; bulrush
Genus common name(s)cyperus; cypress-grass; cypress grass; flat-sedge; flat sedge; flatsedge
Species common name(s)purple flat-sedge; purple flat sedge; purple flatsedge; purple nutsedge; purple nut-sedge; purple nut sedge; purple nut-grass; purple nut grass; purple nutgrass; red nutsedge; red nut-sedge; red nut sedge; round cyperus; round flat-sedge; coco nutsedge; coco sedge; coco nut-grass; coco-grass; coco grass; cocograss; nut-grass flatsedge; nutgrass flatsedge; nutgrass galingale; southern nut-grass; southern nut grass; southern nutgrass; tagernut
Common name(s) generally applied to other taxa or multiple taxacommon nutsedge, weedy nut-sedge, weedy nut sedge weedy nutsedge, chufa, ground almond, tiger-nut, tiger nut, tigernut are applied to multiple Cyperus taxa; nut-sedge, nut sedge, nutsedge, umbrella sedge, umbrella-sedge, umbrellasedge are applied to multiple Cyperaceae taxa; umbrella-plant, umbrella plant, umbrellaplant, nut grass, nut-grass, nutgrass, water grass, water-grass, watergrass, red grass are applied to taxa in multiple families
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