Ulva oxysperma subsp. wittrockii (Bornet) Bliding Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Chlorophyta class Ulvophyceae order Ulvales family Gayraliaceae genus Gayralia species Gayralia oxysperma Name Homonyms Ulva oxysperma f. wittrockii (Bornet) Bliding Ulva oxysperma subsp. wittrockii (Bornet) Bliding