Cosmarium globosum f. minus Boldt, 1888 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Desmidiaceae genus Actinotaenium species Actinotaenium globosum Name Homonyms Cosmarium globosum var. minus Hansg. Cosmarium globosum f. minus Boldt, 1888 Cosmarium globosum var. minus (Boldt) Förster, 1964