Eragrostis purshii Schrad. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Eragrostis species Eragrostis pectinacea Name Homonyms Eragrostis purshii Schrad. ex A.Gray Eragrostis purshii Schrad.