Riccardia amazonica (Spruce) Schiffn. 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 amazonica (Spruce) S.W.Arnell Riccardia amazonica (Spruce) Schiffn. ex Gradst. & Hekking Riccardia amazonica (Spruce) Schiffn.