Stemphylium

Moderate in affected materials

Moderate — control condensation and humidity

Is Stemphylium (Stemphylium spp.) dangerous?

Stemphylium is classified as a moderate-risk, allergenic mold with moderate allergenic potential. Primary health concerns include allergen, asthma triggers, hay fever. Low; rare opportunistic infection A professional assessment determines the extent and the right response for your property.

Where does Stemphylium grow in Gulf Coast homes?

Stemphylium commonly appears in window sills, damp drywall, hvac, plant debris near intakes. It thrives at 85-95% relative humidity with a water activity of 0.85-0.90 aw, conditions that are common across humid Louisiana and Mississippi Gulf Coast properties.

How do you identify Stemphylium?

Dematiaceous olive-brown to black velvety colonies Colonies are typically brown, olive-brown, black with a velvety, dark and compact texture. Mild earthy odor Confirmation requires professional sampling and laboratory analysis rather than visual identification alone.

What does remediation of Stemphylium involve?

Stemphylium typically calls for standard containment. Remove colonized porous materials Moderate — control condensation and humidity InspectaMold documents the conditions and provides an independent protocol so the underlying moisture source is corrected, not just the visible growth.