Equisetum fluviatile f. fluviatile Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Equisetales family Equisetaceae genus Equisetum species Equisetum fluviatile Name Homonyms Equisetum fluviatile f. fluviatile Equisetum fluviatile var. fluviatile