Gelidium purpurascens Gardn. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Gelidiales family Gelidiaceae genus Gelidium species Gelidium purpurascens Name Synonyms Gelidium papenfossii Gelidium polystichum Gelidium pulchrum Gelidium setchellii Homonyms Gelidium purpurascens Gardn.