Spirodela oligorrhiza subsp. genuina Hegelm. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Araceae genus Spirodela species Spirodela punctata Name Homonyms Spirodela oligorrhiza var. genuina Hegelm., 1868 Spirodela oligorrhiza subsp. genuina Hegelm.