Distribution map of Bulbophyllum subapetalum
Bulbophyllum subapetalum J.J.Sm., Orchid Monogr. 7 (1993) 174, fig. 130, J.J. Vermeulen, drawing, plant habit and flower analysis, based on a-c,g,h Janowsky 312 (L); d-fJanowsky 411 (iso L)
Bulbophyllum subapetalum J.J.Sm., floral analysis, drawing J.J. Smith, from Janowsky 411
Bulbophyllum subapetalum J.J.Sm., herbarium sheet, Janowsky 411 (syntype specimen BO)