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Definition of Bunchgrass
1. Noun. Any of various grasses of many genera that grow in tufts or clumps rather than forming a sod or mat; chiefly of western United States. 
Definition of Bunchgrass
1. [n -ES]
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1. Noun. Any of various grasses of many genera that grow in tufts or clumps rather than forming a sod or mat; chiefly of western United States. 
1. [n -ES]