Ganoderma spp.

A common wood decay fungus of the selective delignification type, causing root rot and butt rot mainly in broadleaf trees. The fruiting bodies of the fungus are woody brackets, commonly occurring in the flutes between the buttresses of big trees near ground level.

bottlebutt,
bracket,
broadleaf,
decay,
fungi,
root rot (infection),
selective delignification,
woody

This definition is abridged from A – Z of tree terms: A companion to British arboriculture.
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