Equisetum ×occidentale (Hy) H.J.Coste, 1906 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Equisetales family Equisetaceae genus Equisetum species Equisetum moorei Name Homonyms Equisetum ×occidentale (Hy) H.J.Coste, 1906 Equisetum ×occidentale Hy