Poa annua f. purpurea Mike L.Grant Dataset GBIF Backbone Taxonomy Rank FORM Published in Watsonia 24: 525 (2003) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa annua Name Homonyms Poa annua f. purpurea Mike L.Grant Poa annua subsp. purpurea Mike L.Grant