Truffles spontaneously arise in particular circumstances together with some varieties of forest plants. On the basis of the contemporary scientific knowledge is also possible the artificial production of truffles using some forest plants appropriately grafted. The production of the truffles is possible in suitably land using special and steady cares during the time.
(decreasing commercial value) - Tuber magnatum --(White truffle) --ffor testing cultivation - Tuber melanosporum --(Black truffle) - Tuber brumale var.moscatum --(Moscatum truffle) - Tuber uncinatum --(Unicnate truffle) - Tuber aestivum --(Aestivum truffle) - Tuber albidum o borchii --(Albidum or borchiii truffle)