Achnatherum lanceolatum Gray, 1821 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Calamagrostis species Calamagrostis canescens Name Homonyms Achnatherum lanceolatum (Roth) P.Beauv. Achnatherum lanceolatum Gray, 1821