Trillium atropurpureum M.A.Curtis Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Liliales family Melanthiaceae genus Trillium species Trillium erectum Name Homonyms Trillium atropurpureum M.A.Curtis ex L.C.Beck Trillium atropurpureum Raf. Trillium atropurpureum M.A.Curtis