Potamogeton angustifolius Caley Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Potamogetonaceae genus Potamogeton species Potamogeton angustifolius Name Homonyms Potamogeton ×angustifolius J.Presl Potamogeton angustifolius Caley Potamogeton angustifolius Bercht. & J.Presl ex Opiz Potamogeton angustifolius Caley ex Graebn., 1907