Riccia pseudofrostii (Schiffn.) Müll.Frib. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Marchantiophyta class Marchantiopsida order Marchantiales family Ricciaceae genus Riccia species Riccia huebeneriana Name Homonyms Riccia pseudofrostii (Schiffn.) Müll.Frib.