Acrothamnion butlerae (F.S.Collins) Kylin, 1956 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Ceramiaceae genus Acrothamnion species Acrothamnion butlerae Name Homonyms Acrothamnion butlerae (F.S.Collins) Kylin, 1956