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.
MycologyMushroom large, brownish, spiny, white-gilled, with a warty or scaly cap; flesh is white, smell of rubber.
Cap: 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.
Hymenium: free; gills white, crowded, with tendency to fork.
Stipe: paler; 10 cm long; with sparse brown scales below the ring; ring is large and cottony, sometimes adhering to the cap perimeter, often taking brownish scales, seen at its edge.
Spore print: white.