Equisetum ×naegelianum W.Koch, 1944 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Equisetales family Equisetaceae genus Equisetum species Equisetum meridionale Name Homonyms Equisetum ×naegelianum W.Koch ex Rothm. Equisetum ×naegelianum W.Koch, 1944