Aira collina (Dumort.) B.D.Jacks. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Avenella species Avenella flexuosa Name Homonyms Aira collina (Dumort.) B.D.Jacks. Aira collina Dumort., 1824 Aira collina (Dumort.) Foerster