Enteromorpha clathrata var. ralfsii (Harvey) V.J.Chapman, 1956 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Chlorophyta class Ulvophyceae order Ulvales family Ulvaceae genus Ulva species Ulva ralfsii Name Homonyms Enteromorpha clathrata var. ralfsii (Harvey) V.J.Chapman, 1956