Haque, M. M., and J. D. Casero. “Susceptibility of Common Alder (Alnus Glutinosa) Seeds and Seedlings to Phytophthora Alni and Other Phytophthora Species”. Forest Systems, Vol. 21, no. 2, July 2012, pp. 313-22, doi:10.5424/fs/2012212-02267.