Trillium undulatum f. polymerum Vict. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Liliales family Melanthiaceae genus Trillium species Trillium undulatum Name Homonyms Trillium undulatum f. polymerum Vict. ex Louis-Marie Trillium undulatum f. polymerum Vict.