Rytiphlaea obtusiloba Mert. ex C.Agardh Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Rhodomelaceae genus Osmundaria species Osmundaria obtusiloba Name Homonyms Rytiphlaea obtusiloba Mert. ex C.Agardh Rytiphlaea obtusiloba Mert.