http://pec.lib.wvu.edu/record/P90851952The Formation of perithecia of Chalara quercina in Nature in West Virginia.Journal article reprint from: <em>Phytopathology</em>, v.42:no.12 (1952:Dec.).True, R. P. (Rodney Philip), 1906-Staley, John Merrill, 1929-Oak wilt.Oak--Diseases and pests.Fungi.14256