Many ecosystem services do not pass through markets. Therefore, the benefits which ecosystems provide to society are largely unrecorded. Fast-growing woody crops represent a quite new and still insufficiently explored ecosystem of agricultural land which has a potential to provide several utility functions. It may contribute to satisfaction of human needs and may enhance regional health. The goal of this paper was to detect the socio-economic importance of associated spontaneous vegetation in plantations of the energy crops (hybrids of the genera