Distribution map of Bulbophyllum alkmaarense
Bulbophyllum alkmaarense J.J.Sm., flower, oblique lateral view, photo A. Schuiteman, Leiden cult. 990120
Bulbophyllum alkmaarense J.J.Sm., flower detail, centre of flower, oblique lateral view, photo A. Schuiteman, Leiden cult. 990120
Bulbophyllum alkmaarense J.J.Sm., flowers, various views, photo A. Schuiteman, Leiden cult. 990120
(STEREO) Bulbophyllum alkmaarense J.J.Sm., plant habit, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 912
(STEREO) Bulbophyllum alkmaarense J.J.Sm., flower, oblique lateral view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 912
(STEREO) Bulbophyllum alkmaarense J.J.Sm., flower detail, column and lip base, oblique lateral view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 912
(STEREO) Bulbophyllum alkmaarense J.J.Sm., flower detail, centre of flower, oblique lateral view, photo P. Jongejan, collection Royal Botanic Gardens, Kew, cult. P. Jongejan 912
Bulbophyllum alkmaarense J.J.Sm., habit, drawing Natadipoera, from Bogor cult. (Exp. Lorentz, Djibdja 667) s.n.
Bulbophyllum alkmaarense J.J.Sm., floral analysis, drawing J.J. Smith, from Bogor cult. (Exp. Lorentz, Djibdja 667) s.n.
Bulbophyllum jadunae Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 235, fig. 893
Bulbophyllum alkmaarense J.J.Sm., herbarium sheet, Bogor cult. (Exp. Lorentz, Djibdja 667) s.n. (holotype specimen BO)