Entoloma decastes

Entoloma decastes is a species of mushroom in the family Entolomataceae. Found in Italy, it was described as a new species in 2009. The fungus fruits in dense clusters in sandy soil, in coastal grassland. Fruitbodies have thin, dark brown caps measuring 1–5 cm (0.4–2.0 in) in diameter. The thick gills are crowded close together, and initially greyish before turning pinkish brown. Spores measure 11–14 by 9–12 µm.