Podospermum octangulare Roth Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Scorzonera species Scorzonera cana Name Homonyms Podospermum octangulare (Willd.) DC. Podospermum octangulare Roth ex Steud. Podospermum octangulare Roth Podospermum octangulare (hort. ex Willd.) Link, 1822