Staurastrum furcigerum f. armigerum (Bréb) Nordst., 1888 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum furcigerum Name Synonyms Staurastrum furcatum var. armigerum (Bréb.) West Staurastrum pseudofurcigerum Reinsch, 1866 Homonyms Staurastrum furcigerum f. armigerum (Bréb) Nordst., 1888