Poa affinis Salzm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Eragrostis species Eragrostis rufescens Name Homonyms Poa affinis R.Br. Poa affinis Salzm. ex Steud. Poa affinis Salzm.