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crabgrass

crabgrass, name for any of several grass species of the genera Digitaria,Eleusine, and Panicum, especially the species D. sanguinalis. Crabgrass is a common lawn weed, especially in the S and E United States. The grass has branching stems that may reach a length of 3 ft (91 cm) and flowers borne on purple spikes. It is sometimes cut for hay.

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"crabgrass." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 27 Jun. 2017 <http://www.encyclopedia.com>.

"crabgrass." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (June 27, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/crabgrass

"crabgrass." The Columbia Encyclopedia, 6th ed.. . Retrieved June 27, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/crabgrass

crabgrass

crab·grass / ˈkrabˌgras/ • n. a creeping grass (Digitaria and other genera) that can become a serious weed.

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"crabgrass." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 27 Jun. 2017 <http://www.encyclopedia.com>.

"crabgrass." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (June 27, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/crabgrass

"crabgrass." The Oxford Pocket Dictionary of Current English. . Retrieved June 27, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/crabgrass