Examination of the Geastrum berkeleyi complex suggests high variability, rendering recognition of additional species or varieties taxonomically unjustified. In Czechoslovakia, the species is known from only eight localities, all in the thermophytic region.
Kotlaba F., Pouzar Z. (1987): Geastrum berkeleyi in Czechoslovakia. – Česká Mykologie 41(2): 115–119.