Arundo laxa (Host) Roem. & Schult., 1817 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Calamagrostis species Calamagrostis pseudophragmites Name Homonyms Arundo laxa (Host) Wahlenb. Arundo laxa (Host) Roem. & Schult., 1817