A microscopic and colony photo of Aspergillus versicolor.
The toxins produced can cause diarrhea and upset stomach. The toxin, sterigmatocystin is reported to be potential human liver carcinogen.
It is commonly found in soil, hay, cotton, and dairy products. It is commonly found growing in water damaged carpet and building materials.
Potential Opportunist or Pathogen
This species is only occasionally pathogenic (26).
Potential Toxin Production
It can produce a mycotoxin sterigmatocystin and cyclopiaxonic acid (5).
Conidia dimensions 2 - 3.5 microns (5).
Mold Reference Key
|Aw||Water Activity (Equilibrium relative humidity/100)|
|MAC||McGregor Pearce - personal experience|
|NC||Neil Carlson - personal experience|
|(1-27)||Refer to Fungal Reference page|
N. Carlson 9/92; Rev. 4/93, 7/93, 9/93, 1/94, 2/94,2/95,4/95, 5/96, 7/96