Calamagrostis contracta Dumort. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Calamagrostis species Calamagrostis stricta Name Homonyms Calamagrostis contracta Dumort. Calamagrostis contracta (Dumort.) Tinant