Riccardia crispa (Schiffn.) A.Evans Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Marchantiophyta class Jungermanniopsida order Metzgeriales family Aneuraceae genus Riccardia species Riccardia polyclada Name Homonyms Riccardia crispa (Schiffn.) A.Evans Riccardia crispa (Colenso) E.A.Hodgs.