Sphacelaria disticha Vahl Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Sphacelariales family Stypocaulaceae genus Halopteris species Halopteris filicina Name Homonyms Sphacelaria disticha Vahl ex Lyngbye, 1819 Sphacelaria disticha Vahl