The author describes a form of Verpa digitaliformis with eight-spored asci and a deeply veined, cerebriform cap, collected near Branžež. It is named Verpa digitaliformis var. cerebriformis J. Moravec et Svrček. The paper discusses the confusion with Morchella bohemica and proposes taxonomic clarification.
Moravec J. (1967): Additamentum ad cognitionen generum Verpa Swartz ex Pers. et Ptychoverpa Boud. – Česká Mykologie 21(2): 74–77.