Calamagrostis halleriana DC., 1815 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Calamagrostis species Calamagrostis villosa Name Homonyms Calamagrostis halleriana (Gaudin) P.Beauv. Calamagrostis halleriana DC., 1815 Calamagrostis halleriana Fr.