Silphium perfoliatum Linnaeus, Systema Naturae, ed. 10, 2: 1232. 1759.

["Habitat in Misisippi."] Sp. Pl., ed. 2, 2: 1302 (1763). RCN: 6647.

Lectotype (Reveal in Jarvis & Turland in Taxon 47: 367. 1998): Herb. Linn. No. 1032.3 (LINN) .

Current name: Silphium perfoliatum L. var. perfoliatum ( Asteraceae).