Distribution map of Bulbophyllum cavibulbum
Bulbophyllum cavibulbum J.J.Sm., Orchid Monogr. 7 (1993) 183, fig. 139, J.J. Vermeulen, drawing, plant habit and flower analysis, based on Lam 1618 (L)
Bulbophyllum cavibulbum J.J.Sm., petal, drawing J.J. Smith, from Lam 1618
Bulbophyllum cavibulbum J.J.Sm., floral analysis, drawing J.J. Smith, from Lam 1618
Bulbophyllum cavibulbum J.J.Sm., floral analysis, drawing J.J. Smith, from Lam 1689
Bulbophyllum cavibulbum J.J.Sm., flower, drawing J.J. Smith, from Lam 2010
Bulbophyllum cavibulbum J.J.Sm., herbarium sheet, Lam 1618 (paratype L)