Web Site References/Publications · Davis, R.M., Subbarao, K.V., Raid, R.N., and Kurtz, E.A. (eds) (1997) Compendium of Lettuce Diseases – APS Press, St. Paul. · Iceberg Lettuce Production in California – University of California Vegetable production Series – Publication 7215 – 1996 · Integrated Pest management for Cole crops and Lettuce – UC Publications 3307 – 1987 · McGuire, P.E., E.J. Ryder, R.W. Michelmore, R.L. Clark, R. Antle, G. Emery, R.M. Nathan, R.V. Kesseli, E.A. Kurtz, O. Ochoa, V.E. Rubatzky, W. Waycott.  1993.  Genetic Resources of Lettuce and Lactuca Species in California.  An assessment of the USDA and UC Collections and Recommendations for Long-Term Security.  Report No. 12.  University of California Genetic Resources Conservation program, Davis, CA. · Ryder, E.J. - 1999.  Lettuce, Endive and Chicory Production Science in Horticulture. · UC IPM Pest Management Guidelines: Lettuce – December 1996.