The paper brings the result of the author’s reexamination of the type of Gyromitra bubaci Velenovský 1922. G. bubaci is closely related to G. esculenta but has longer ascospores. The author proposes two infraspecific taxa: G. esculenta var. bubaci comb. nov. and var. fulva var. nov.
Moravec J. (1986): A revision of the type of Gyromitra bubaci and the problem of ascospore size of Gyromitra esculenta (Discomycetes). – Česká Mykologie 40(1): 11–18.