Author: Jan Scholten
Synonyme: Lepiota aspera; Cystolepiota aspera; Agaricus asper; Agaricus acutesquamosus; Agaricus friesii.
Name: the Latin adjective "asper" means "rough".
English: Freckled dapperling.
German: Spitzschuppige Stachel-Schirmling; Raue Stachel-Schirmling.
Region: northern temperate zones, Europe, North Africa, North America, Japan, Australia, New Zealand.
Habitat: in woodland, or on bark chips in parks, and gardens.
Use: causes alcohol intolerance; maybe poisonous.
Its is is a large, brownish, spiny, white-gilled mushroom, with a warty or scaly cap. It is a brownish warty species. The gills are white, on hymenium. The cap is ovate or campanulate, later convex, warty or scaly, uniform reddish, brown, or brown at the centre, breaking up into erect pyramidal scales, on a paler ground, up to 10 cm in diameter. The hymenium is free. The stipe is paler, around 10 cm in length, with sparse brown scales below the ring. The ring is large and cottony, sometimes adhering to the cap perimeter, often taking brownish scales, seen at its edge. The gills have a tendency to fork and are free, crowded, white. The spore print is white. The flesh is white, smell of rubber.