Bulbophyllum nemorosum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 884 (non Cogn.)
Type: Schlechter 19698 (holo B, lost)
Bulbophyllum singuliflorum W.Kittr., Bot. Mus. Leafl. 30 (1984, publ. 1985) 100 (nom.nov.)
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Bulbophyllum nubigenum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 884 ('nubigena')
Type: Schlechter 18762 (holo B, lost)