penicillium smithii penicillium smithii penicillium smithii is a species of fungus in the genus penicillium which produces citreoviridin and canescin penicillium smithii occurs in soil in canada and europe penicillium smithii scientific classification kingdom: fungi division: ascomycota class: eurotiomycetes order: eurotiales family: trichocomaceae genus: penicillium species: p. smithii binomial name penicillium smithiiquintanilla, j.a. 1982 type strain cbs 276.83, cect 2744, frr 2919, imi 259693, quintanilla 1097