Hawthorn leaf spot. Photo found at: http://plant-disease.ippc.orst.edu/disease.cfm?RecordID=570
Cedar-quince rust. Photo found at: http://www.mobot.org/gardeninghelp/images/Pests/Pest94.jpg
Sycamore showing signs of defoliation from anthracnose. Photo provided by: William Jacobi, Colorado State University, Bugwood.org
Anthracnose on a maple leaf, notice the way the infection follows the veins. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org
Sycamore leaf with signs of anthracnose infection. Photo provided by: William Jacobi, Colorado State University, Bugwood.org
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