Equisetum zonatum Kümmerle, 1916 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Equisetales family Equisetaceae genus Equisetum species Equisetum hyemale Name Homonyms Equisetum zonatum Friv. Equisetum zonatum Kümmerle, 1916