Equisetum fluviatile var. verticillatum Döll Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Equisetales family Equisetaceae genus Equisetum species Equisetum fluviatile Name Homonyms Equisetum fluviatile var. verticillatum Döll Equisetum fluviatile var. verticillatum (Döll) Á.Löve Equisetum fluviatile var. verticillatum (Döll) A.A.Eaton