Eurystyles Wawra, Oesterr. Bot. Z. 13(1): 223. 1863 sec. Salazar, G. A., Solano, R., Jiménez-Machorro, R., Carnevali, G., Hágsater, E. & Sosa, V. 2025: Revision of taxa, names and designations of Orchidaceae for the eFloraMEX.
- =Synanthes Burns-Bal., H. Rob. & Merc. S. Foster, Brittonia 37(1). 1985: 158 syn. sec. Salazar, G. A., Solano, R., Jiménez-Machorro, R., Carnevali, G., Hágsater, E. & Sosa, V. 2025: Revision of taxa, names and designations of Orchidaceae for the eFloraMEX.