First report of the NA2 clonal lineage of the sudden oak death pathogen, , infecting tanoak in Oregon forests.

Werres, de Cock & Man in't Veld, causal agent of sudden oak death (SOD) and ramorum leaf blight, is comprised of four clonal lineages in its invasive ranges of North America and Europe (Grünwald et al. 2012, Van Poucke et al. 2012).