Sooty mold is a type of fungus that grows on the surface of plants and leaves, creating black, powdery patches. The mold is often caused by the presence of insects that excrete a sugary substance known as honeydew, which provides an ideal environment for the fungal growth. While the term "sooty mold" is commonly used to describe this type of fungal growth, there are several synonyms that may also be used. These include black fungus, greasy blotch, carbonaceous fungus, and black mold. Regardless of the term used, it's important to take action to prevent and treat sooty mold growth to protect the health of plants and the surrounding environment.