Known as "gray mold," a common fungus that thrives in high-humidity indoor environments.
Botrytis appears as a fuzzy gray or grayish-brown mass. Its texture is soft and woolly, and it produces large numbers of spores that give affected surfaces a dusty gray appearance. Under a microscope, its spore-bearing structures resemble a cluster of grapes.
Botrytis is most commonly associated with plants, fruits, and vegetables. Indoors, it can be found in greenhouses, on houseplants, and in areas with very high humidity. It may also grow on damp fabrics, wallpaper, and other organic materials in poorly ventilated spaces.
Botrytis is primarily an allergen. It can trigger allergic reactions, asthma symptoms, and hay fever in sensitive individuals. It is generally considered less hazardous than some other indoor molds, but prolonged exposure in enclosed spaces can still cause respiratory irritation.
While Botrytis is more commonly associated with plant disease, it can colonize indoor environments after water damage when humidity levels remain elevated. It is particularly common in basements and crawl spaces where moisture is persistent and ventilation is poor.
If you suspect mold growth in your home or business, contact us for a professional assessment.
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