Riccia fluitans var. canaliculata (Hoffm.) Roth Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Marchantiophyta class Marchantiopsida order Marchantiales family Ricciaceae genus Riccia species Riccia canaliculata Name Homonyms Riccia fluitans var. canaliculata (Hoffm.) Roth Riccia fluitans f. canaliculata (Hoffm.) Nees Riccia fluitans subsp. canaliculata (Hoffm.) Ångstr.