Collin Marshall

Nov 15, 2023 | onlinelibrary.wiley.com | Rachel Brooks |Samuel Brown |Collin Marshall |Daniel Omdal

1 INTRODUCTION The fungus Cryptostroma corticale (Ellis & Everh.) PH Greg. & S Waller, the causal agent of sooty bark disease (SBD) of maple (Koukol et al., 2014), has recently been associated with the dieback of urban trees in Seattle, Washington State (‘Washington’), USA. Starting in 2017, molecular lab results confirmed the presence of C. corticale on samples collected by Seattle Parks and Recreation staff from a variety of maple species (Acer spp.), including bigleaf maple (A.