Poa trivialis f. angustifolia Jansen & Wacht. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa trivialis Name Homonyms Poa trivialis var. angustifolia Peterm. Poa trivialis f. angustifolia Jansen & Wacht.