Halarachnion ligulatum f. aciculare Kütz. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Gigartinales family Furcellariaceae genus Halarachnion species Halarachnion ligulatum Name Homonyms Halarachnion ligulatum f. aciculare Kütz. Halarachnion ligulatum var. aciculare Hauck