HAGARA L. (1989): Phallus duplicatus Bosc in der Tschechoslovakei. Česká Mykologie 43(2): 108-109 [published: 2nd May, 1989]
KREISEL H. (1996): A preliminary survey of the genus Phallus sensu lato. Czech Mycology 48(4): 273-281 [published: 14th March, 1996]