Alisma gramineum subsp. gramineum Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Alismataceae genus Alisma species Alisma gramineum Name Homonyms Alisma gramineum subsp. gramineum Alisma gramineum f. gramineum