Helodes St.-Lag. Dataset GBIF Backbone Taxonomy Rank GENUS Published in Ann. Soc. Bot. Lyon vii. (1880) 54. Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Hydrocharitaceae genus Helodes Name Homonyms Helodes Dejean, 1835 Helodes Helodes Paykull, 1799 Helodes Duval, 1861 Helodes Latreille, 1796 Helodes St.-Lag.