Cirsium quercetorum var. walkerianum (Jeps.) Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Cirsium species Cirsium quercetorum Name Homonyms Cirsium quercetorum var. walkerianum (Petr.) Jeps. Cirsium quercetorum var. walkerianum (Jeps.)