<unk>  is a fungus commonly found in bird and bat fecal material and is the causative agent of<unk> sis. It belongs to the recently recognized fungal family Ajellomycetaceae. It is dimorphic and switches from a mold-like (filamentous) growth form in the natural habitat to a small budding yeast form in the warm-blooded animal host. It is most prevalent in the Ohio and Mississippi River valleys.
Histoplasma capsulatum
Paracoccidioides brasiliensis
Cryptococcus neoformans
Helminthosporium solani
Mycoplasma
Mycobacterium celatum
Coccidioides immitis
Aspergillus clavatus