A soil and plant-associated mold occasionally found indoors on damp building materials.
Verticillium generally forms white to pale colonies that can become greenish as spores develop. Its spore-bearing structures branch in whorls, which is the feature behind its name and microscopic identification.
Outdoors it is widely present in soil and plant roots. Indoors, spores may settle from outdoor air and can colonize damp drywall, carpet backing, and dusty porous materials when moisture remains elevated.
Verticillium exposure is mainly treated as an irritant and allergen risk in indoor settings. Sensitive individuals may experience sneezing, throat irritation, or asthma flare-ups when concentrations rise.
Indoor amplification is more likely after leaks or sustained humidity in poorly ventilated areas. Moisture source elimination and removal of contaminated porous materials are typically needed when growth is established.
If you suspect mold growth in your home or business, contact us for a professional assessment.
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