Stipa polyclada Hack. ex Stuck. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Stipa species Stipa polyclada Name Homonyms Stipa polyclada Hack. Stipa polyclada Hack. ex Kneuck. Stipa polyclada Hack. ex Stuck.