Bulbophyllum aemulum Schltr., plant habit, photo E.F. de Vogel, Leiden cult. 20031770
(STEREO) Bulbophyllum hymenobracteum Schltr., flower detail, column and lip, oblique front view, lateral sepal and petal removed, photo P. Jongejan, collection Royal Botanic Garden Kew,
(STEREO) Bulbophyllum odontoglossum Schltr., flower, oblique lateral view, photo P. Jongejan, collection Royal Botanic Garden Kew, cult. P. Jongejan 1062
(STEREO) Bulbophyllum odontoglossum Schltr., flower detail, column and lip base, oblique front view, photo P. Jongejan, collection Royal Botanic Garden Kew, cult. P. Jongejan 1062
Bulbophyllum oobulbum Schltr., top of inflorescence, photo E.F. de Vogel, Leiden cult. 20032227
Bulbophyllum oobulbum Schltr., rachis with flower, photo E.F. de Vogel, Leiden cult. 940346
Bulbophyllum oobulbum Schltr., flower, oblique front view, photo E.F. de Vogel, Leiden cult. 940346
Bulbophyllum oobulbum Schltr., flower, front view, photo E.F. de Vogel, Leiden cult. 940346
Bulbophyllum aemulum Schltr., plant habit and flower analysis, J.J. Vermeulen, drawing
Bulbophyllum oobulbon, plant habit and flower analysis, N. Howcroft, drawing