Cirsium undulatum f. undulatum Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Cirsium species Cirsium undulatum Name Homonyms Cirsium undulatum var. undulatum Cirsium undulatum subsp. undulatum Cirsium undulatum f. undulatum