Aspergillus nidulans (Emericella spp.) Health EffectsAssociated with aspergillosis of the lungs and/or disseminated aspergillosis.Growth MediaFound in mild to warm soils and on slowly decaying plants.Potential Opportunist or PathogenThis species is only occasionally pathogenic.Potential Toxin ProductionCan produce the mycotoxin sterigmatocystin. This toxin has been shown to produce liver and kidney damage in lab animals.Spore SizeConidia dimensions 2-4 microns.Water Activity0.78.