Agrostis exarata var. angustifolia Hack. ex Dusén Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Agrostis species Agrostis perennans Name Homonyms Agrostis exarata var. angustifolia Hack. Agrostis exarata var. angustifolia Hack. ex Dusén