Plocamium mertensii (Greville) Harvey, 1849 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Plocamiales family Plocamiaceae genus Plocamium species Plocamium mertensii Name Synonyms Plocamium procerum (C.Agardh) Suhr Thamnophora mertensii Greville Homonyms Plocamium mertensii (Greville) Harvey, 1849