Porphyra dioica J.Brody & L.M.Irvine, 1997 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Bangiophyceae order Bangiales family Bangiaceae genus Porphyra species Porphyra dioica Name Synonyms Porphyra umbilicalis f. rosea Hamel, 1924 Homonyms Porphyra dioica J.Brody & L.M.Irvine, 1997