Equisetum arvense var. nanum A.Braun 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. nanum A.Braun ex Döll Equisetum arvense f. nanum (A.Braun ex Döll) M.Broun Equisetum arvense var. nanum A.Braun Equisetum arvense f. nanum A.Braun ex Döll, 1855 Equisetum arvense f. nanum A.Braun