Gigartina speciosa var. denudata Sonder, 1845 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Gigartinales family Solieriaceae genus Betaphycus species Betaphycus speciosus Name Homonyms Gigartina speciosa var. denudata Sonder, 1845