Drouetia coalescens (Farl.) G.De Toni, 1938 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Rhodymeniales family Rhodymeniaceae genus Halichrysis species Drouetia coalescens Name Synonyms Halichrysis coalescens (Farl.) R.E.Norris & A.J.K.Millar, 1991 Herpophyllon coalescens Farl., 1902 Homonyms Drouetia coalescens (Farl.) G.De Toni, 1938