Poa annua f. exilis (Tomm. ex Freyn) Rouy, 1913 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa infirma Name Homonyms Poa annua var. exilis Tomm. ex Freyn. Poa annua subsp. exilis (Tomm. ex Freyn.) Asch. & Graebn. Poa annua var. exilis Tomm.