Quantifying the economic importance of large-seeded wild plants in the Neolithic lakeshore site of Zürich-Opéra (Central Switzerland).

It has long been acknowledged that the preservation of archaeobotanical macroremains of Wild fruits in dry sites are unrepresentative and that the quantification of the economic importance of these plants in the investigated site is hardly possible. On the other hand, the extraordinary preservation of wetland sites allows a unique approach to the consumption of wild plants in Prehistory.