Green mold hyphae and fruiting structure (Aspergillus ustus). Aspergillus ustus is a soil fungus has only recently been implicated in human infections. This species can cause: fungal endocarditis; cutaneous skin infections in immunosuppressed patients and an invasive cases of otitis media. Toxic metabolites of this species include: austdiol, austin, austocystin A, sterigmatocystin SEM X600
Aspergillus niger is a fungus and one of the most common species of the genus Aspergillus. It causes a disease called black mold on certain fruits and vegetables such as grapes, onions, and peanuts, and is a common contaminant of food.