Photo of black-staining polypore, a mushroom with tan, wavy, fan-shaped caps

    Black-Staining Polypore

    Meripilus sumstinei (formerly M. giganteus)
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    Edible

    Image of a false morel

    False Morels

    Gyromitra spp. (false morels); Helvella spp. (elfin saddles)
    Poisonous Icon

    Poisonous

    Photo of hen of the woods, large round mass of grayish mushrooms

    Hen of the Woods (Maitake)

    Grifola frondosa
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    Edible

    a row of little brown, umbrella-shaped mushrooms along a decaying log

    Little Brown Mushrooms

    Various species of confusingly similar mushrooms
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    Poisonous

    Photo of violet-gray bolete, purplish capped mushroom with pores beneath cap

    Violet-Gray Bolete

    Tylopilus plumbeoviolaceus