This research provides an in-depth analysis of a common group of fungi called Cladosporium, specifically focusing on species related to C. cladosporioides. Using both traditional microscopic examination and modern DNA analysis, the researchers discovered 22 new species within this group. This work helps us better understand fungal diversity and evolution. Impacts on everyday life: – Improved identification of fungi that can affect crops and stored food – Better understanding of fungi that commonly occur in indoor environments – Enhanced ability to identify potentially beneficial or harmful fungal species – More accurate diagnosis of plant diseases caused by these fungi – Better classification system for tracking fungal diversity and distribution