Bouteloua oligostachya (Nutt.) Torr. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Bouteloua species Bouteloua gracilis Name Homonyms Bouteloua oligostachya (Nutt.) Torr. ex A.Gray Bouteloua oligostachya (Nutt.) Torr.