Riccia natans f. communis Nees Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Marchantiophyta class Marchantiopsida order Marchantiales family Ricciaceae genus Ricciocarpos species Ricciocarpos natans Name Homonyms Riccia natans var. communis (Nees) Debat Riccia natans f. communis Nees