Horsechestnut leaf blotch. Photo taken by: M. Petitjean, University of Massachusetts Extension & found at: http://www.umassgreeninfo.org/fact_sheets/diseases/guignardia_leaf_blotch.pdf
Cercospora leafspot on rose. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org
Cedar apple rust. Photo provided by: USDA Forest Service - Region 8 Archive, USDA Forest Service, Bugwood.org
Cedar apple rust. Photo provided by: Daniel H. Brown, USDA Forest Service, Bugwood.org
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