Family Hypocreaceae is a group of fungi that includes a variety of species that are commonly found in soils and plant debris. The family is also known by several synonyms, including Hypocreaceae, Hypocreales, and Ascomycota. These names reflect the evolutionary relationships between different species within the family, and the different approaches that taxonomists take in classifying them. Some common genera within the family include Hypocrea, Trichoderma, and Cylindrocarpon, each of which includes many different species. Despite the different names used to describe this family of fungi, they all share many characteristics that make them important players in ecological processes such as decomposition and nutrient cycling.