Bulbophyllum nigrescens, Rolfe (1910)

43762

Bulb. nigrescens, Jeffrey Champion

76152

Bulb. nigrescens, Jeffrey Champion

85051

Bulb. nigrescens, Kurt Keller

85052

Bulb. nigrescens, Kurt Keller

3375

Bulb. nigrescens dark form , Roland Amsler

5539

Bulb. nigrescens beige form , Kurt Keller

43763

Bulb. nigrescens, Jeffrey Champion

5538

Bulb. nigrescens dark form , Roland Amsler

5013

Bulb. nigrescens, Tonmai Poon

5014

Bulb. nigrescens, Tonmai Poon

11301

Bulb. nigrescens ? , Manote Quahphanit

69899

Bulb. nigrescens, Jeffrey Champion

5540

Bulb. nigrescens dark form , Kurt Keller

97602

Bulb. nigrescens, Vinícius Trettel

72094

Bulb. nigrescens, Miklós Koznás

77311

Bulb. nigrescens, Jeffrey Champion

77310

Bulb. nigrescens, Jeffrey Champion

43764

Bulb. nigrescens, Jeffrey Champion

5541

Bulb. nigrescens, Kurt Keller

85053

Bulb. nigrescens, Kurt Keller