Porphyra umbilicalis f. linearis (Grev.) Rosenv., 1909 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Rhodophyta class Bangiophyceae order Bangiales family Bangiaceae genus Porphyra species Porphyra linearis Name Homonyms Porphyra umbilicalis f. linearis (Grev.) Rosenv., 1909