(STEREO) Bulbophyllum colliferum J.J.Sm., plant habit, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1525
(STEREO) Bulbophyllum colliferum J.J.Sm., stem with inflorescences, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1525
(STEREO) Bulbophyllum colliferum J.J.Sm., flower, oblique front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1525
(STEREO) Bulbophyllum colliferum J.J.Sm., flower, oblique lateral view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1525
(STEREO) Bulbophyllum colliferum J.J.Sm., plant habit, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1762
(STEREO) Bulbophyllum colliferum J.J.Sm., flower, oblique front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1762
(STEREO) Bulbophyllum colliferum J.J.Sm., flower detail, centre of flower, oblique front view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 1762
Bulbophyllum colliferum J.J.Sm., Orchid Monogr. 7 (1993) 126, fig. 81, pl. 4 b, J.J. Vermeulen, drawing, plant habit and flower analysis, based on a-c, e-i Reeve 615 (); d Rees & Reeve 147 ()
Bulbophyllum colliferum J.J.Sm., floral analysis, drawing J.J. Smith, from Gjellerup 820
Bulbophyllum colliferum J.J.Sm., floral analysis, drawing J.J. Smith, from Bogor cult. (Lorentz Exp., Rachmat 442) s.n.
Bulbophyllum niveosulphureum Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 299, fig. 1147
Bulbophyllum papulilabium Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 299, fig. 1148