Heterobasidion annosum, known as Annosus root rot, growing on a spruce in Finland

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Photo credit: © Henri Koskinen / Alamy / Afripics
License: Royalty Free
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Keywords: abies, annosum, annosus, basidiocarps, bodies, body, bracket, butt, damage, deadwood, decay, decline, disease, finland, forest, fruiting, fungi, fungus, harmful, heterobasidion, log, mortality, mushroom, mycology, norway, parviporum, pathogenic, picea, polyporous, root, rot, rotting, shelf-, spruce, stump, tree