Arnica amplexicaulis Wall. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Ligularia species Ligularia amplexicaulis Name Homonyms Arnica amplexicaulis Nutt. Arnica amplexicaulis Wall. ex DC. Arnica amplexicaulis Wall.