Stipa diffusa Walter Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Fl. Carol.: 78 (1788) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Muhlenbergia species Muhlenbergia capillaris Name Homonyms Stipa diffusa Willd. ex Steud. Stipa diffusa Walter Stipa diffusa Willd.