Penicillium simplicissimum  Penicillium simplicissimum is an anamorph species of fungus in the genus "Penicillium" which can promote plant growth. This species occurs on food and its primary habitat is in decaying vegetations "Penicillium simplicissimum" produces verruculogene, fumitremorgene B, penicillic acid, viridicatumtoxin, decarestrictine G, decarestrictine L, decarestrictine H, decarestrictine I, decarestrictine K decarestrictine M, dihydrovermistatin, vermistatin and penisimplicissin