Black Leg of Canola (Brassica napus) Caused by Leptosphaeria maculans in North Dakota. H. A. Lamey, Department of Plant Pathology, North Dakota State University, Fargo 58105. D. E. Hershman, University of Kentucky, Princeton 42445. Plant Dis. 77:1263. Accepted for publication 18 August 1993. Copyright 1993 The American Phytopathological Society. DOI: 10.1094/PD-77-1263B.