1. The image of iceberg lettuce lettuce plant species Lactuca sativaHaving red leaves throughout the Kocani, including the central part of head.2. Salad of lettuce plant species Lactuca sativaHaving red leaves in the central part of head, even in the absence of radiation with wavelengths shorter than 400 nm.3. lettuce plant according to claim 2, wherein the absence of radiation with wavelengths shorter than 400 nm is observed when growth conditions during the entire period from sowing until observation.4. lettuce Lettuce plant as claimed in any one of claims 1-3, wherein the absorbance ratio A523 / A665 between anthocyanin and chlorophyll in the leaves of the central part of head ranges from 4 to 50.5. lettuce plant according to claim 4, wherein the absorbance ratio A523 / A665 between anthocyanin and chlorophyll in the leaves of the central part of head is in the range of 9 to 27.6. lettuce plant according to any of claims 1-3, wherein the absorbance ratio A523 / A665 between anthocyanin and chlorophyll in the youngest leaves of ten central portion of head exceeding 1 cm in the range of 4 to 50.7. lettuce plant according to claim 6, wherein the absorbance ratio A523 / A665 between anthocyanin and chlorophyll in the youngest leaves of ten central portion of head exceeding 1 cm in the range of 9 to 27.8. lettuce plant according to any of claims 1, 2, 3, 5 and 7 having a genetic constitution that leads to red coloring of the leaves of the central portion of head and which includes genetic locus for anthocyanin expression, and at least two genetic locus are involved in the red coloring of the central part of head and optionally at least two genetic loci that are involved in the intensity of red coloring.9. lettuce plant according to claim 4, having a genetic constitution that leads to red coloring of the leaves and the central portion of head which includes genetic locus for anthocyanin expression, and at least two genetic loci involved in red coloration and the centra
