Calvo M A, Alis R M, Bruguera T, Cabañes F J
Microbios. 1985;44(181S):253-9.
A study of one hundred Penicillium strains belonging to Raper and Thom's monoverticillate series was carried out. The data compiled led to the conclusion that there are no significant biochemical differences which would make possible an accurate separation of the strains belonging to the series.