Calamagrostis canadensis var. acuminata Vasey Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Calamagrostis species Calamagrostis inexpansa Name Homonyms Calamagrostis canadensis var. acuminata Vasey Calamagrostis canadensis subsp. acuminata (Vasey ex Shear & Rydb.) Piper & Beattie Calamagrostis canadensis var. acuminata Vasey ex Shear & Rydb.