Calamagrostis lapponica Hook., 1838 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Achnatherum species Achnatherum calamagrostis Name Homonyms Calamagrostis lapponica (Wahlenb.) Hartm. Calamagrostis lapponica (Wahlenb.) Spreng., 1824 Calamagrostis lapponica Hook., 1838