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Armillaria root disease is found in many temperate and tropical forests throughout the world. It is responsible for on average 2-3 % of mortalities in infected forests. This root disease is caused by many species of fungus from the Armillaria genus. They are commonly referred to as Honey Fungus. This fungus spreads mainly through the interaction of tree roots. The Wind River Forest Dynamics Plot shows evidence of an infection by Armillaria. However the Extent of the infection has not been studied or mapped. Research Question : How much of the WFDP is infected and what are the effects of Armillaria on the plots mortality?

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