The most common mold genus worldwide, found in virtually every environment.
Cladosporium colonies are typically olive-green to brown or black with a suede-like or powdery texture. The colonies can appear on both sides of leaves and various indoor surfaces. Under a microscope, its spores form distinctive branching chains.
Cladosporium is found virtually everywhere. Indoors, it grows on fabrics, wood, and wet building materials. It is a common colonizer of HVAC systems, particularly on cooling coils and fiberglass duct liners. Unlike most molds, some species can grow at lower temperatures, making it common in refrigerators and cold storage areas.
Cladosporium is a significant allergen and one of the most common triggers for mold-related allergies and asthma. While it rarely causes serious infections in healthy people, prolonged exposure to high concentrations can cause chronic respiratory issues, sinus infections, and skin irritation.
Cladosporium readily colonizes water-damaged materials but does not require severe water damage to grow. Even moderate humidity and condensation can support its growth. After water damage events, it is often one of the first molds to appear and can spread rapidly through HVAC systems to other areas of a building.
If you suspect mold growth in your home or business, contact us for a professional assessment.
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