Penium naegelii Bréb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Mesotaeniaceae genus Netrium species Netrium naegelii Name Homonyms Penium naegelii Bréb. Penium naegelii Bréb. ex W.Archer