Porella subdentata (Mitt.) Steph. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Marchantiophyta class Jungermanniopsida order Porellales family Porellaceae genus Porella species Porella subdentata Name Synonyms Madotheca subdentata Mitt. Madotheca thomeensis Steph. Homonyms Porella subdentata (Mitt.) Steph.