First Report of the Armillaria Root Disease Pathogen, , on Black Oak () in North Carolina, USA.

Armillaria root disease is among the largest causes of mortality and lost productivity of widely ranging horticultural, urban, and forest trees/shrubs in diverse boreal, temperate, and tropical regions around the world (Kim et al. 2022). Damage from Armillaria root disease will likely increase in response to changing climate and extreme weather because environmental stress can predispose host trees to Armillaria root disease (Murray and Leslie 2021; Kim et al.