Silphium trifoliatum Linnaeus, Species Plantarum 2: 920. 1753.

"Habitat in Virginia." RCN: 6651.

Lectotype (Reveal in Jarvis & Turland in Taxon 47: 367. 1998): Herb. Linn. No. 1032.8 (LINN) .

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