It's called the blusher because the cap, gills, ring, and stem discolor reddish-pink when bruised.
It grows on the ground near oak or pine trees in eastern North America (late June-October), where it's very common, and in California (February-April).
Although non-poisonous, this is not a mushroom to eat. The similar-looking, poisonous, cleft-foot amanita (A. brunnescens), which bruises brown, and other deadly relatives, which also discolor, resemble it too closely for safety. Deadly hybrids between the blusher and its close relatives also cannot be ruled out.
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