Cirsium casabonae var. tetauense Font Quer Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Ptilostemon species Ptilostemon rhiphaeus Name Homonyms Cirsium casabonae var. tetauense Font Quer Cirsium casabonae var. tetauense FontQuer