Potamogeton ×affinis A.Benn., 1889 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Potamogetonaceae genus Potamogeton species Potamogeton salicifolius Name Homonyms Potamogeton affinis Boenn. ex Cham. & Schlecht. Potamogeton ×affinis A.Benn., 1889 Potamogeton affinis Boenn.