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General Information of cladosporium


Microscopic View Cladosporium Mold

40+ species. Ubiquitous, Cosmopolitan.  One of the most common molds found worldwide. 

What are some of this molds characteristics?

Grows well on cellulose surfaces.

Where does cladosporium grow outside?

Often found growing in soil, plant litter and decaying plants as well as on leaves.

Where does it grow inside?

Often found growing on textiles, wood, moist window sills, tile grout and often in bathrooms where the relative humidity is regularly above 50%.  Also can be found growing on sheetrock, subfloor, OSB and plywood among other surfaces.  Please review the information on mold remediation for a more detailed explanation.

Is cladosporium 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 cladosporium

Is cladosporium a potential allergen?

Some people may experience hay fever, asthma and or Hot tub lung, Moldy wall hypersensitivity. 

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

Generally speaking no but some reports have linked some species with chromoblastomycosis. 

Can it produce toxins?**

Cladosporin and emodin.  Neither is known to be highly toxic.

Identification of cladosporium

Can cladosporium be identified via Air Sampling?


Can cladosporium be identified via Direct Sampling?


OTHER: Formerly called Hormodendron and some species currently are being referred to as Cladophialophora when they lead to human infection


What are some of its industrial uses?

Some enzymes produced by C. Herbarum are used in the production of oral contraceptives.  The enzymes allow for the transformation of steroid intermediates such as pregnenolone and progesterone.

*Other types of disease not listed in this description may also result from exposure.


**Indicates potential toxin production by given species of this genus. Not all toxins are produced by all species and the extent is highly dependent on environmental conditions. List may not be all inclusive due to new discoveries in research.