Isoetes nuttallii A.Braun Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Lycopodiopsida order Isoetales family Isoetaceae genus Isoetes species Isoetes nuttallii Name Homonyms Isoetes nuttallii A.Braun ex Engelm. Isoetes nuttallii A.Braun