Stipa barbata Raf. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Piptochaetium species Piptochaetium avenaceum Name Homonyms Stipa barbata Desf. Stipa barbata Michx. Stipa barbata Raf. ex B.D.Jacks., 1894 Stipa barbata Raf.