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