Dunn Woods Memories

Dunn Woods, Natural Heart of IU

Black staining polypore, Meripilus giganteus

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Meripilus giganteus is a white rot polypore that is fruiting around an old beech stump near the observatory, annually in June. They are mildly sour, but edible when young, as are these specimens. It take a while, the they do stain black after being handled. They cause a white rot (meaning they eat the lignans in the tree), perhaps that have something to do with their staining behavior?

Meripilus giganteus

Meripilus giganteus, black staining polypore

Meripilus giganteus

Meripilus giganteus, black staining polypore

Meripilus giganteus

Meripilus giganteus, just starting to show black staining

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