American chestnut tree (Castanea dentata) killed by the chestnut blight pathogenic fungus (Cryphonectria parasitica) in Merrimack, New Hampshire, USA. This closeup shows the canker caused by the fungus, on the trunk of the tree.

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TOP22275143

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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N/A

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No

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