Sparganium simplex var. nuttallii A.Gray Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Typhaceae genus Sparganium species Sparganium americanum Name Homonyms Sparganium simplex var. nuttallii A.Gray Sparganium simplex var. nuttallii Engelm.