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