Rocky shore line ecosystem zonation of species. Some of the animals and pants featured include whelks, mussels, bladderwrack, star fish, top shells, periwinkles, crabs, branacles, and anenomes. Illustration from The Hidden Universe: Adventures in Biodiversity by Alexandre Antonelli
Lesser Periwinkle Vinca minor compared to Greater Periwinkle Vinca major. Sketchbook study sheet shows details of flowers, leaves, leaf venation, a habit sketch, and cross sections of the periwinkle flowers.