Molds:
Alternaria Parasites on plants and plant materials. The spores are easily airborne
Aspergillus Common soil fungus, also found in damp hay, grain, sausage and fruits
Cephalosporium common soil inhabitant and has been isolated from dust in textile plants
Helminthosporium found in cereal grain plants such as corn wheat, oats and rye
Hormodendrum Found in decomposed plants, leather, rubber, cloth, paper and wood products, released into the atmosphere in great numbers after rain and damp weather
Penicillium Normally inhabits the soil but grows readily on fruits, bread, cheese and other foods. Mutant strains are used to produce the antibiotic penicillin
Fusarium Parasite found on green plants such as peas, beans, cotton, tomatoes, corn, sweet potatoes and rice, also found on decaying plants
Stemphyllium Grows rapidly on damp paper, canvas, cotton fabric as well as decaying plant material
Mucor Normally inhabits soil; frequently found around barns and barnyards where it grows on animal waste
Epicoccum Normally a soil organism which can often be found on decaying vegetative material, plant leaves and uncooked fruit