It has been demonstrated that ITS does not provide sufficient resolution among closely related species of indoor and food-borne molds (e.g. Aspergillus, Penicillium), plant or human/animal pathogens (Alternaria, Cladosporium, Colletotrichum, Fusarium, as well as Phytophthora in the Oomycota) or oth...
Cladosporium, etc. Sometimes water runs down a chimney due to a chimney flashing leak. If drywall is present, the drywall could have Stachybotrys growing on it. You can’t randomly cut into the wall below the chimney, but you can use a good flashlight to look down into the wall...