Reference

Dariusz L. Szlachetko, Marta Kolanowska (2015): Notes on the Generic Delimitation within the Brassiaalliance with Description of a New Mesospinidium Species (Orchidaceae-Vandoideae-Oncidieae) from Colombia – Phyton, Annales Rei Botanicae, Horn – 55: 121 - 130.