Helleriella A.D. Hawkes Helleriella A.D. Hawkes, Phytologia 14(1): 4. 1966 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.