Natural Origin - Found in soil, dead vegetation, wood, grasses, nuts and oats. The spores are at their peak in the fall and late spring or early summer.
Indoor Origin - Can be found indoors on cellulose containing materials
Pathoginicity - There have been no reports of human infections
Diseases - None have been reported at this time.
Allergen - Reported to be allergenic. Can cause hay fever, asthma, and hypersensitivity Pneumonitis.