Conyza tortuosa Linnaeus, Species Plantarum 2: 862. 1753.

"Habitat in Madagascar, Vera Cruce." RCN: 6228.

Lectotype (Britten in J. Bot. 36: 52. 1898): Herb. Clifford: 405, Conyza 5 (BM-000647045) .

Current name: Vernonia tortuosa (L.) S.F. Blake ( Asteraceae).