Septoria leaf spot on chrysanthemums. Photo provided by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org
Red thread. Photo provided by: Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org
A close-up of the "Red Threads". (provided by Dr. Eric B. Nelson, Cornell University) Photo found at http://plantclinic.cornell.edu/FactSheets/redthread/redthread.htm
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