Penicillium solitum is an anamorph, mesophilic, salinity-tolerant, psychrotolerant species of the genus of Penicillium which produces polygalacturonase, compactin, cyclopenin, cyclopenol, cyclopeptin, dehydrocompactin, dihydrocyclopeptin, palitantin, solistatin, solistatinol, viridicatin, viridicatol. This species was isolated from air dried lamb thighs, on Faore Island. Penicillium solitum and Eurotium rubrum are the species which are found during the production of traditional produced Tyrolean smoked and cured ham. Penicillium solitum is a pathogen of pomaceous fruit.