Ulva sinuosa Mert. ex Roth Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Scytosiphonales family Scytosiphonaceae genus Colpomenia species Colpomenia sinuosa Name Homonyms Ulva sinuosa Mert. ex Roth Ulva sinuosa Mert.