Giffordia recurvata Kuck. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Ectocarpales family Acinetosporaceae genus Hincksia species Hincksia granulosa Name Homonyms Giffordia recurvata Kuck. ex Cardinal Giffordia recurvata Kuck.