penicillium rolfsii penicillium rolfsii penicillium rolfsii is a species of fungus in the genus penicillium which produces patulin. penicillium rolfsii scientific classification kingdom: fungi division: ascomycota class: eurotiomycetes order: eurotiales family: trichocomaceae genus: penicillium species: p. rolfsii binomial name penicillium rolfsiithom, c. 1930 type strain , atcc 10491, biourge 36, cbs 368.48, frr 1078, ifo 7735, imi 040029, mucl 29229, nbrc 7735, nrrl 1078, qm 1961, thom 32