Veratrum wilsonii C.H.Wright ex O.Loes. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Liliales family Melanthiaceae genus Veratrum species Veratrum mengtzeanum Name Homonyms Veratrum wilsonii C.H.Wright ex Loes. Veratrum wilsonii C.H.Wright Veratrum wilsonii C.H.Wright ex O.Loes.