Calamagrostis orbignyana (Wedd.) Hitchc. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Cinnagrostis species Cinnagrostis orbignyana Name Homonyms Calamagrostis orbignyana (Wedd.) Pilg. Calamagrostis orbignyana (Wedd.) Hitchc.