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