Natural Origin - Spores found in dead stems, rotting leaves, paper, fodder grass, tree bark and over 50 types of plants.
Indoor Origin - Rarely found indoors, but it can grow on paper, or cellulose based materials.
Pathoginicity - Opportunistic infections are uncommon. Has occasionally been implicated as an etiologic agent in immunocompromised patients. Commonly known as a contaminant.
Diseases - Only known disease is facial eczema in sheep.
Allergen - Its allergenicity is not well established.