Lactuca perennis, the blue lettuce or perennial lettuce,a plant species present in most of the Central and Southern Europe
Lactuca | Sophia Perennis | Mercurialis perennis | Ulva lactuca | Tigidius Perennis | Prickly Lettuce (''Lactuca serriola'') | Lupinus perennis | Lactuca serriola | Lactuca perennis |