What types of mold are growing in your home? There are a great many different types of mold. We know of approximately 100,000 species of mold. And there's about 150 different types of mold in a house, each of which can have several subtypes. How to identify what types of mold are in your home Scientist spend many years learning to identify the many different … [Read more...] about What types of mold are growing in your home?