Radula fissifolia Steph. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Marchantiophyta class Jungermanniopsida order Porellales family Radulaceae genus Radula species Radula fissifolia Name Synonyms Radula tridens Steph. Radula tridens Steph. ex Paris, 1910 Homonyms Radula fissifolia Steph.