Reference

Dariusz L. Szlachetko, Przemyslaw Baranow, Slawomir Nowak, Fredy L. Archila-Morales (2017): Notes on the genera of the Eltroplectris-Pteroglossa complex (Orchidaceae-Orchidoideae-Spiranthinae) with description of four new species from South America – Phyton, Annales Rei Botanicae, Horn – 57: 1 - 9.