Chasmanthium laxum subsp. laxum Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Chasmanthium species Chasmanthium laxum Name Homonyms Chasmanthium laxum var. laxum Chasmanthium laxum subsp. laxum