Pérez-Sierra A, Kalantarzadeh M, Sancisi-Frey S, Brasier CM. Phytophthora siskiyouensis causing stem lesions and cankers on Alnus incana. New Disease Reports [Internet]. 2015  ;31:17. Available from: http://www.ndrs.org.uk/contents.php?vol=31http://www.ndrs.org.uk/article.php?id=031017