plantpathogenic
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Armillaria ostoyae a species of plant-pathogenic fungus mushroom, here on sick spruce tree - Tree caring by Arboristic Royalty Free Stock Photo
   
   
   
   
   
   
Dying forest, infected fir trees
   
   
   
   
   
   
   
Dying forest: stand of fir trees, infected by Honey mushrooms, Armillaria ostoyae, and dead or dying

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