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Picture library: 19645

HETEROBASIDION ANNOSUM . Longitudinal sections of Douglas fir , Norway spruce and Western hemlock logs showing early stages of butt - rot . Location: Alice Holt , Hampshire , England .

Reference: 19645

HETEROBASIDION ANNOSUM . Longitudinal sections of Douglas fir , Norway spruce and Western hemlock logs showing early stages of butt - rot . Location: Alice Holt , Hampshire , England .


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Credit line: Forestry Commission

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