Halymenia actinophysa M.A.Howe, 1911 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Halymeniales family Halymeniaceae genus Halymenia species Halymenia actinophysa Name Synonyms Sebdenia actinophysa (M.A.Howe) E.Soler-Onís, 1998 Homonyms Halymenia actinophysa M.A.Howe, 1911