Najas horrida A.Braun Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Hydrocharitaceae genus Najas species Najas pectinata Name Homonyms Najas horrida A.Braun ex Magnus Najas horrida A.Braun ex Rendle Najas horrida A.Braun