Dictyosporium is the type genus of fungi belonging to the family . By an estimate in 2018 it is formed by 45 species. The species in this genus are saprobic on dead or decaying wood and can be found on dead wood and plant litter in both terrestrial and aquatic habitats. The genus can be found worldwide, it has a cosmopolitan distribution. The type species is , which was described by August Carl Joseph Corda in Witenweber (1836).