
Appearance
''Agaricus subrutilescens'' has a cap that is 5–13 cm across, dry, and has many and wine to brown colored fibers, especially near the center. The gills are close and white at first, turning dark brown in age. The stalk has a skirt-like ring and is 4 to 20 cm long, 1–3 cm thick, long, white, and covered with soft woolly scales. The flesh is white and does not stain, and the odor and taste is pleasant.The purplish fibrous cap and shaggy white stem differentiate this mushroom from others which resemble it.

Naming
It was first described scientifically in 1925 as ''Psalliota subrutilescens'', and later transferred to ''Agaricus'' in 1938.Distribution
The mushroom fruits in undisturbed mixed woods in Western North America and Japan. It grows by itself or scattered in small clusters, often under redwood, pine, or alder.Habitat
The mushroom fruits in undisturbed mixed woods in Western North America and Japan. It grows by itself or scattered in small clusters, often under redwood, pine, or alder.References:
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