The dark brown 2- to several-celled spores (conidia) are produced by the swelling and subsequent delimitation of the terminal portion of short branches of the vegetative filaments. The most common species, T. asperum, has 2-celled, roughened spores. In soil and plant debris, including wood.
Classification: Chaetomiaceae (Sordariomycetidae). Holomorph: Chaetomium. Ref: Ellis 1971