penicillium rubefaciens penicillium rubefaciens penicillium rubefaciens is a species of fungus in the genus penicillium which has been isolated from sandy soil. penicillium rubefaciens scientific classification kingdom: fungi division: ascomycota class: eurotiomycetes order: eurotiales family: trichocomaceae genus: penicillium species: p. rubefaciens binomial name penicillium rubefaciensquintanilla, j.a. 1982 type strain cbs 145.83, cect 2752, imi 351268, quintanilla 1133