First report of black rot caused by Xanthomonas nasturtii on watercress in Spain and Portugal. (28th November 2022) - Lascelles, D. M.; Roberts, M. R.; Cruz, L.; Cruz, J.; Studholme, D. J.; Harrison, J.; Greer, S. F.; Grant, M.; Holden, J. M.; Carter, B.; Bryning, A.; Carroll, S.; et al.