Selaginella zenkeri Hieron. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Lycopodiopsida order Selaginellales family Selaginellaceae genus Selaginella species Selaginella cathedrifolia Name Homonyms Selaginella zenkeri Hieron. ex Bonap. Selaginella zenkeri Hieron.