Melocactus bahiensis f. acispinosus Melocactus bahiensis f. acispinosus (Buining & Brederoo) N.P.Taylor in Bradleya 9: 28. 1991 sec. Taylor & Zappi 20041≡Melocactus acispinosus Buining & Brederoo in Krainz, Kakteen 62: CVId. 1975 syn. sec. Taylor & Zappi 200411. Taylor, N. P. & Zappi, D. 2004: Cacti of Eastern Brazil. – London: Kew PublishingContent