This research provides an important update to our understanding of indoor fungi, particularly focusing on the genus Cephalotrichum. These fungi are commonly found in buildings and other human-made environments. The study helps scientists better identify and classify these fungi, which is crucial for understanding their potential impacts on indoor environments. Key impacts on everyday life: – Improved identification methods for fungi found in buildings and homes – Better understanding of which fungal species commonly occur in indoor environments – Enhanced knowledge for building maintenance and indoor air quality assessment – Contribution to understanding potential health implications of indoor fungi – Development of more accurate tools for environmental monitoring