Riccardia subsimplex (Steph.) Pagan Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Marchantiophyta class Jungermanniopsida order Metzgeriales family Aneuraceae genus Riccardia species Riccardia regnellii Name Homonyms Riccardia subsimplex (Steph.) Pagan Riccardia subsimplex (Steph.) R.M.Schust.