Nick Upton / Velvet-top fungus (Phaeolus schweinitzii) growing on forest floor below coniferous trees with typical brown exudate visible, New Forest, Hampshire, UK, October.
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Nick Upton / Oak bracket fungus / Weeping polypore (Inonotus dryadeus) growing on an oak stump in deciduous woodland with a brown exudate gathering in drips, Castle Combe, Wiltshire, UK, November.
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Nigel Cattlin / Sap / latex exuding from cuts in the seedpod of an Opium poppy (Papaver somniferum) an annual garden ornamental and a source of opiate narcotics
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Nigel Cattlin / Damage and exudation gum caused by red plum maggot (Cydia funebrana) feeding on young plum fruit
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Nigel Cattlin / Damage and exudation gum caused by red plum maggot (Cydia funebrana) feeding on young plum fruit