Equisetum palustre var. simplicissimum L.Braun Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Equisetales family Equisetaceae genus Equisetum species Equisetum palustre Name Homonyms Equisetum palustre var. simplicissimum A.Braun & Engelm. Equisetum palustre var. simplicissimum Schur Equisetum palustre var. simplicissimum L.Braun