Stipa expansa Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Gymnopogon species Gymnopogon ambiguus Name Homonyms Stipa expansa Willd. ex Steud. Stipa expansa Poir. Stipa expansa Willd.