Taylor Farms is recalling 110 cases of Taylor Farms Hearts of Romaine 10 oz. bags of romaine lettuce due to possible contamination of Listeria monocytogenes. The affected product bears a UPC of 0-30223-04032-3 and features a best-by date of today, Dec. 13, 2012. The product was sold in California and Florida. No reported illnesses have yet been associated with this product. However, until the isolate can be further characterized, it is not possible to say if any known cases of illness match it.