penicillium janczewskii penicillium janczewskii penicillium janczewskii is an anamorph and filamentous species of the genus of penicillium which was isolated from the rhizosphere of vernonia herbacea. penicillium janczewskii produces griseofulvin penicillium janczewskii scientific classification kingdom: fungi division: ascomycota class: eurotiomycetes order: eurotiales family: trichocomaceae genus: penicillium species: p. janczewskii binomial name penicillium janczewskiizalessky, k.m. 1927 type strain cbs 221.28, frr 0919, imi 191499, kctc 6438, mucl 38774, nrrl 919, thom 5010.9 synonyms penicillium echinulatum, penicillium sweicicikii, penicillium swiecickii, penicillium nigricans, penicillium nigricans var. sulphureum, penicillium granatense