Avena longipilosa Sennen ex St.-Yves Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Helictochloa species Helictochloa pratensis Name Homonyms Avena longipilosa Sennen Avena longipilosa Sennen ex St.-Yves