Mesothamnion distichum (Børgesen) Halos Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Wrangeliaceae genus Pleonosporium species Mesothamnion distichum Name Homonyms Mesothamnion distichum Halos ex G.R.South & Tittley, 1986 Mesothamnion distichum (Børgesen) Halos