Some people may experience hay fever, asthma, Humidifier lung, Malt worker’s lung, Compost lung, Wood trimmer’s disease, Straw hypersensitivity, Farmer’s lung, and or Oat grain hypersensitivity.


Soil, plant debris, compost piles, & stored grain

A. flavus: aflatoxin (carcinogen) B1 & B2, cyclopiazonic acid, kojic acid
A. fumigatus: ergot alkaloids, fumigaclavines, gliotoxin, fumigatoxin, fumigillin, fumitremorgens, helvolic acid, tryptoquivaline tremorgens, verruculogen.
A. niger: malformin C, oxalic acid.
A. ustus: austocystins.
A. versicolor: aspercolorin, averufin, cyclopiazonic acid, sterigmatocystin, versicolorin.

The term black mold (also “toxic black mold”) is not scientific but is widely used by the media to usually reference Stachybotrys molds.

General Information

Is it harmful to humans?

what are some of its characteristics?

is it a potential allergen?

Many uses in food production and medical industry.  A. oryzae is used to ferment soybeans to soy sauce. A. terreus produces mevinolin which is able to reduce blood cholesterol; A. niger is used in the bread and beer making industries (enzyme production) and also is able to decompose plastic. A. niger and A. ochraceus are used in cortisone production.

can it produce toxins?

Jeffrey Parsons

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where does it growinside?

​​Where does it growoutside?

is it considered a black mold?

Health Concerns

This mold is very common world wide with over 200+ species. It grows well on a variety of different kinds of organic materials. 

It can affect the respiratory system, skin, ears,  & cornea.  Can be invasive or disseminated.  Presents the greatest risk to immunosuppressed individuals.  Could lead to onychomycosis, sinusitis, cerebral aspergillosis, meningitis, endocarditis, myocarditis, pulmonary aspergillosis, osteomyelitis, otomycosis, endophthalmitis, cutaneous aspergillosis, hepatosplenic aspergillosis, as well as Aspergillus fungemia, and disseminated aspergillosis. Many species grow at 37°C (body temperature)

Commonly found, one of the most prevalent types captured.

Common on many different substrates.  Water needs vary greatly from species to species.


industrial use

can it be identified by air sample?