Orthopappus angustifolius (Sw.) Gleason, Bull. New York Bot. Gard. 4(13): 238-239. 1906 sec. J.A. Villarreal Q. & E. Estrada C. 2021
- ≡Elephantopus angustifolius Sw. in Prodr. Veg. Ind. Occ.: 115. 1788 syn. sec. J.A. Villarreal Q. & E. Estrada C. 2021