Cirsium acaulon (L.) Scop. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in 131, 1772 Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Cirsium species Cirsium acaulon Name Synonyms Cirsium acaule (L.) F.H.Wigg., 1780 Cirsium acaule var. caulescens DC. Cirsium acaulon f. acaulon Cirsium acaulon f. caulescens Rchb. Cirsium acaulon var. acaulon Cirsium acaulon var. caulescens Cariot & St.-Lag., 1889 Cirsium exiguum Bubani, 1899 Homonyms Cirsium acaulon (L.) Scop.