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

"Habitat in Pensylvania." RCN: 6060.

Lectotype (Reveal in Jarvis & Turland in Taxon 47: 360. 1998): Herb. Linn. No. 335.17 (S), see p. 174.

Current name: Eupatorium altissimum L. ( Asteraceae).