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The two most dominant grasses in the shortgrass prairie are blue grama ( " Bouteloua gracilis " ) and buffalograss ( " Bouteloua dactyloides " ) , the two less dominant grasses in the prairie are greasegrass ( " Tridens flavus " ) and sideoats grama ( " Bouteloua curtipendula " ) .
 Bouteloua dactyloides
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Answer:
 Bouteloua dactyloides