Arnica cordifolia var. whitneyi (Fernald) Maguire Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Arnica species Arnica cordifolia Name Homonyms Arnica cordifolia var. whitneyi (Fernald) Maguire Arnica cordifolia subsp. whitneyi (Fernald) Maguire