Carduus altissimus Linnaeus, Species Plantarum 2: 824. 1753.

"Habitat in Carolina." RCN: 5966.

Lectotype (Reveal in Jarvis & Turland in Taxon 47: 356. 1998): [icon] " Cirsium altissimum, laciniato folio, subtus tomentoso " in Dillenius, Hort. Eltham. 1: 81, t. 69, f. 80. 1732. - Voucher: Herb. Sherard No. 1639 (OXF) .

Current name: Cirsium altissimum (L.) Hill ( Asteraceae).