Blastomyces dermatitidis growing
on Inhibitory Mold Agar (IMA) after two weeks. Observe morphology
as cottony white turning tan or light brown with age. Colonial morphology
is very similar to Histoplasma capsulatum. Blastomyces
dermatitidis like Histoplasma capsulatum is able to
grow in the presence of antifungal agent Cycloheximide.