Zygnema gracile Berkeley, 1832 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Zygnemataceae genus Zygnema species Zygnema gracile Name Homonyms Zygnema gracile Hassall Zygnema gracile Berkeley, 1832