Urban Forestry Content / Urban Forestry Content for ΢²ªÊÓƵ en Fungi that Causes Pine Ghost Canker Detected in S. California Trees /climate/blog/fungi-causes-pine-ghost-canker-detected-s-california-trees Fungal pathogens that cause pine ghost canker are infecting conifer trees in urban forests of Southern California, ΢²ªÊÓƵ scientists found. February 23, 2023 - 7:54am Katherine E Kerlin /climate/blog/fungi-causes-pine-ghost-canker-detected-s-california-trees