A fungal genus of the classification group "Hyphomycetes". At this time, there is no information available concerning Dictyosporium allergenicity or toxicity, but as a member of the classification group "Dematiaceous Hyphomycetes", it could potentially cause phaeohyphomycosis (see phaeohyphomycosis). It is found in terrestrial and freshwater habitats, and is a common saprobe of submerged lignocellulose substances. The microscope reveals its spores to be multicellular and tongue-shaped; with subconcentric cells. Colonies may appear dark brown, green-black, or black.