Zigadenus virescens var. porrifolius (Greene) O.S.Walsh Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Liliales family Melanthiaceae genus Anticlea species Anticlea virescens Name Homonyms Zigadenus virescens var. porrifolius (Greene) O.S.Walsh ex Espejo & López-Ferr. Zigadenus virescens var. porrifolius (Greene) O.S.Walsh