Poa sessiliflora (Poir.) Steud. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Chasmanthium species Chasmanthium laxum Name Homonyms Poa sessiliflora (Poir.) Kunth Poa sessiliflora (Poir.) Steud.