Sparganium natans subsp. submuticum Hartm. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Typhaceae genus Sparganium species Sparganium hyperboreum Name Homonyms Sparganium natans var. submuticum Hartm. Sparganium natans subsp. submuticum Hartm.