Isoetes setacea var. muricata (Durieu) Holub Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Lycopodiopsida order Isoetales family Isoetaceae genus Isoetes species Isoetes echinospora Name Homonyms Isoetes setacea subsp. muricata (Durieu) Holub Isoetes setacea var. muricata (Durieu) Holub