Heterostega curtipendula Schwein. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Bouteloua species Bouteloua curtipendula Name Homonyms Heterostega curtipendula Schwein. ex Hook.f. Heterostega curtipendula Schwein.