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Pictures of the 11 cultivated lettuce varieties (Lactuca sativa L.) in the 3 development stages (microgreen, baby, adult) provided by the Germplasm Banks from the COMAV and the IVIA (Spain). The size of the grid cells in the fruit pictures is 0.01 m × 0.01 m. (A): Lettuce varieties without a patent head; (B): lettuce varieties with a prominent head.
