Riccia heyeri (Huebener ex Genth) Müll.Frib. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Marchantiophyta class Marchantiopsida order Marchantiales family Ricciaceae genus Riccia species Riccia canaliculata Name Homonyms Riccia heyeri (Huebener ex Genth) Müll.Frib.