Agrostis laxa Pursh Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Fl. Amer. Sept. 1: 61 (1813) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Agrostis species Agrostis scabra Name Homonyms Agrostis laxa Pursh Agrostis laxa Gray Agrostis laxa Muhl.