Bulbophyllum adenambon Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 781
Type: Schlechter 16410 (holo B, lost)
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Bulbophyllum quadrangulare J.J.Sm. var. latisepalum J.J.Sm., Nova Guinea 12, 4 (1916) 377
Type: Gjellerup 641 (holo BO, also alc.)