annulus_surface_pruinose
down
superous white with two layers a smooth membranous upperside and a woolly floccose underlayer connected by cortinate fibrils to the stipe then breaking in radial tatters can form a cogwheel near the stipe or can remain attached to the pileal margin wide and finally hanging down over a length of 13-27 mm
Agaricus niveogranulatus
Agaricus niveogranulatus