Prenanthes alba Bigel. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Nabalus species Nabalus altissima Name Homonyms Prenanthes alba L. Prenanthes alba Walter Prenanthes alba Bigel. ex DC. Prenanthes alba Bigel.