title: Stemphylium revisited
abstract: In 2007 a new <i>Stemphylium</i> leaf spot disease of <i>Beta vulgaris</i> (sugar beet) spread through the Netherlands. Attempts to identify this destructive <i>Stemphylium</i> sp. in sugar beet led to a phylogenetic revision of the genus. The name <i>Stemphylium</i> has been recommended for use over that of its sexual morph, <i>Pleospora</i>, which is polyphyletic. <i>Stemphylium</i> forms a well-defined monophyletic genus in the <i>Pleosporaceae, Pleosporales</i> (<i>Dothideomycetes</i>), but 
journal: Studies in Mycology