J.J.Verm. (Lindl.) 1986 - Vermeulen JJ (1986) New Species and New Combinations in Central African Bulbophyllum (Orchidaceae). Bulletin Du Jardin Botanique National De Belgique 56: 229-240. doi: 10.2307/3668192.
There is no corrections for Bulbophyllum cochleatum var. tenuicaule yet.