Cirsium acaule subsp. sibiricum Ledeb. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Cirsium species Cirsium esculentum Name Homonyms Cirsium acaule var. sibiricum Ledeb., 1845 Cirsium acaule subsp. sibiricum Ledeb.