👉 Massariosphaeria is a genus of fungi in the family Ascomycota, which belong to the order Ascomycetes and are part of the mycelial kingdom. They are characterized by their large, white spores that can be up to 20 mm long and contain a single cell with a simple cell wall. Massariosphaeria is found in various habitats such as woodlands, forests, and deserts, where they thrive on decomposing plant matter.