Najas graminea subsp. tenuifolia (R.Br.) A.Braun Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Hydrocharitaceae genus Najas species Najas tenuifolia Name Homonyms Najas graminea var. tenuifolia (R.Br.) A.Braun Najas graminea subsp. tenuifolia (R.Br.) A.Braun