Potamogeton ×rufescentoides H.Lév., 1917 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Potamogetonaceae genus Potamogeton species Potamogeton spathulatus Name Homonyms Potamogeton ×rufescentoides H.Lév., 1917