Eupatorium rotundifolium Linnaeus, Species Plantarum 2: 837. 1753.

"Habitat in Virginia, Canada." RCN: 6059.

Lectotype (Reveal & al. in Huntia 7: 221. 1987): Kalm, Herb. Linn. No. 978.6 (LINN) .

Current name: Eupatorium rotundifolium L. ( Asteraceae).