The American Phytopathological Society (APS) is a non-profit, professional, scientific organization dedicated to the study and control of plant diseases.
William H. Hooker, 1914-1994. D. C. Ramsdell. Phytopathology 85:260. Copyright 1995 by The American Phytopathological Society.
doi:10.1094/Phyto-85-260.
