Conyza arborescens Linnaeus, Systema Naturae, ed. 10, 2: 1213. 1759.

["Habitat in America meridionali."] Sp. Pl., ed. 2, 2: 1209 (1763). RCN: 6236.

Lectotype (Keeley in Syst. Bot. 7: 80. 1982): [icon] " Conyza foliis ovatis " in Plumier in Burman, Pl. Amer.: 122, t. 130, f. 2. 1757.

Current name: Vernonia arborescens (L.) Sw. ( Asteraceae).