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