Vallisneria asiatica subsp. biwaensis Miki Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Hydrocharitaceae genus Vallisneria species Vallisneria nana Name Homonyms Vallisneria asiatica var. biwaensis Miki Vallisneria asiatica subsp. biwaensis Miki