In addition, since
some species of the genus Penicillium, including P. raistrickii, were
traditionally classified in the subgenus Furcatum but can be inserted
within the subgenus Penicillium
the ITS1–5.8S–ITS2, 28S rDNA, and benA
and cmd gene sequences obtained from single Penicillium lineages
phylogenetically representing both the subgenus Furcatum