described a medium containing creatinine as a nitrogen source,and diphenyl to reduce the grow
th of molds,to be used for the isolation of Filobasidiella neoformans.Another medium for the selective isolation of F.neoformans contains Niger seed(Guizotia abyssinica),which gives pigmented colonies,and penicillin,streptomycin and gentamicin for suppression of bacteria(Staibetal.1989).