A New Postharvest Disease of Citrus in California Caused by Penicillium ulaiense. G. J. Holmes, Department of Plant Pathology, University of California, Riverside 92521. J. W. Eckert, and J. I. Pitt. Department of Plant Pathology, University of California, Riverside 92521; and CSIRO Food Research Laboratory, P.O. Box 52, North Ryde, New South Wales, Australia 2113. Plant Dis. 77:537. Accepted for publication 23 February 1993. Copyright 1993 The American Phytopathological Society. DOI: 10.1094/PD-77-0537D.