Potamogeton caudatus Seidl Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Potamogetonaceae genus Potamogeton species Potamogeton lucens Name Homonyms Potamogeton caudatus Seidl ex Opiz Potamogeton caudatus Seidl