Gigartina spinella (C.Agardh) Grev., 1830 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Gigartinales family Cystocloniaceae genus Hypnea species Hypnea spinella Name Homonyms Gigartina spinella (C.Agardh) Grev., 1830