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Picture library: 13132

HETEROBASIDON ANNOSUM . Butt rot in 100 year - old Norway spruce caused by this fungi . Sections show rot at 5 ,10 and 15 feet up the stem . Location: Allean Forest , Perthshire , Scotland .

Reference: 13132

HETEROBASIDON ANNOSUM . Butt rot in 100 year - old Norway spruce caused by this fungi . Sections show rot at 5 ,10 and 15 feet up the stem . Location: Allean Forest , Perthshire , Scotland .


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Credit line: Forestry Commission

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