Kretzschmaria deusta 

Kretzschmaria deusta (Ustilina deusta)0598

Kretzschmaria deusta (Hoffm.) P.M.D. Martin 1970

(formerly Ustulinia deusta) is a parasitic and saprotrophic on roots and trunks of living and dead hardwoods. Appears in spring as gray crust-like fungus with white margin. Blackens as it matures. It is in the Xylaraceae family, which is in the Order Xylariales of the ascomycota.

Kretzschmaria deusta (Ustilina deusta)7363

Kretzschmaria deusta (Ustilinia deusta)