Stipa contracta Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Muhlenbergia species Muhlenbergia rigida Name Homonyms Stipa contracta Phil. Stipa contracta (B.L.Johnson) W.A.Weber Stipa contracta Willd. ex Steud. Stipa contracta Willd.