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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 (

TaxonDigitaria ischaemum
Family common name(s)grass; true grass
Genus common name(s)digitaria; digit-grass; digitgrass; digit grass
Species common name(s)big smooth crab-grass; big smooth crab grass; big smooth crabgrass; smooth finger-grass; smooth finger grass; smooth fingergrass; smooth summer-grass; smooth summer grass; smooth summergrass; glabrous crabgrass; small crab-grass; small crab grass; small crabgrass
Common name(s) generally applied to other taxa or multiple taxasmooth crabgrass, smooth crab-grass, smooth crab grass, common crabgrass, common crab-grass, common crab grass are applied to multiple Digitaria taxa; fingergrass, finger-grass, finger grass, crop grass, summer grass, summer-grass are applied to multiple Poaceae taxa; crabgrass, crab-grass, crab grass, witchgrass, witch-grass, witch grass are applied to taxa in multiple families
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