beefsteak mushroom

noun
  1. an edible bracket fungus, Fistulina hepatica, that grows on trees and can rot the heartwood of living oaks and chestnuts.

Origin of beefsteak mushroom

First recorded in 1890–95
Also called beefsteak fungus.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of beefsteak mushroom