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General Information about Chaetomium

81+ species. Ubiquitous, cosmopolitan.

Chaetomium Mold

Microscopic View Chaetomium Mold

What are some of this molds characteristics?

Where does it grow outside?

Often found growing in soil, seeds, cellulose substrates, dung, woody and straw material.

Where does chaetomium grow inside?

Often found growing on damp sheetrock/ drywall/ gypsum board.  Also can be found growing on subfloor.

Is chaetomium considered a “black mold”?

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

Health Concerns with Chaetomium

Is chaetomium a potential allergen?

Not well studied although some individuals may experience hay fever or asthma.

Does chaetomium present any unique human risks? (as pathogen, opportunist or contaminant)*

These molds can lead to rare cases of onychomycosis (nail infection).

Can chaetomium produce toxins?**

Some species can produce chaetomin, sterigmatocystin and chetoglobosins.

Identification of Chaetomium

Can chaetomium be identified via Air Sampling?

 

Can it be identified via Direct Sampling?

 

What are some of its industrial uses?

Not known.

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