Aira flexuosa subsp. argentea Fousny & Callard Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Avenella species Avenella flexuosa Name Homonyms Aira flexuosa f. argentea Fousny & Collard Aira flexuosa var. argentea Fonsny & Collard Aira flexuosa subsp. argentea Fousny & Callard