Potamogeton trichodes var. tuberculosus Rchb. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Potamogetonaceae genus Potamogeton species Potamogeton trichodes Name Homonyms Potamogeton trichodes var. tuberculosus Rchb.