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Fichtner EJ, Rizzo DM, Kirk SA, Webber JF. Root infections may challenge management of invasive Phytophthora spp. in U.K. woodlands. Plant Disease [Internet]. 2011  ;95:13-18. Available from: http://apsjournals.apsnet.org/doi/abs/10.1094/PDIS-03-10-0236

Fichtner EJ, Lynch SC, Rizzo DM. Survival, dispersal, and potential soil-mediated suppression of Phytophthora ramorum in a California redwood-tanoak Forest. Phytopathology [Internet]. 2009  ;99:608-619. Available from: http://apsjournals.apsnet.org/doi/abs/10.1094/PHYTO-99-5-0608