Aira clavata Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Corynephorus species Corynephorus articulatus Name Homonyms Aira clavata Willd. ex Steud. Aira clavata Gilib., 1792 Aira clavata Willd.