Aristida rigida Roth Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Nov. Pl. Sp.: 42 (1821) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Aristida species Aristida hystrix Name Homonyms Aristida rigida Cav. Aristida rigida B.Heyne ex Roem. & Schult., 1817 Aristida rigida Roth Aristida rigida B.Heyne