Avena sesquitertia Ten. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Helictotrichon species Helictotrichon sempervirens Name Homonyms Avena sesquitertia Ten. ex Steud. Avena sesquitertia M.Bieb., 1808 Avena sesquitertia Comolli, 1824 Avena sesquitertia L. Avena sesquitertia Host, 1797 Avena sesquitertia Willd., 1797 Avena sesquitertia Ten.