Cosmarium dentiferum f. minus Huber-Pestalozzi, 1928 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium dentiferum Name Homonyms Cosmarium dentiferum f. minus Huber-Pestalozzi, 1928