Avenella flexuosa f. flavescens Sylvén Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Avenella species Avenella flexuosa Name Homonyms Avenella flexuosa f. flavescens Sylvén Avenella flexuosa f. flavescens Sylvén ex Á.Löve & D.Löve Avenella flexuosa var. flavescens Schur