Psilocybe mairei and P. semilanceata are two toxic species that have been studied in Czechoslovakia since 1982. By the end of 1983, 78 localities for P. mairei and 67 for P. semilanceata were recorded based on literature, field diaries, and input from mycologists. Ecological, phenological, and additional data are included.
Kubička J. (1985): Connaissance actuelles sur la répartition de deux espèces toxiques, Psilocybe mairei et P. semilanceata, en Tchécoslovaquie. – Česká Mykologie 39(1): 26–35.
