1962*"Bulbophyllum nigrescens" Rolfe 1910: Narrowly Elliptical Bulbophyllum*"Bulbophyllum nigriflorum" H.Perrier 1937*"Bulbophyllum nigrilabium" Schltr.
1962* "Bulbophyllum nigrescens" Rolfe 1910* "Bulbophyllum nigriflorum" H.Perrier 1937* "Bulbophyllum nigrilabium" Schltr.