Netrium oblongum f. curvatum F.E.Fritsch Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Mesotaeniaceae genus Netrium species Netrium oblongum Name Homonyms Netrium oblongum f. curvatum F.E.Fritsch Netrium oblongum var. curvatum (F.E.Fritsch) Grönblad