The vegetation structures are logical part of the city and rural settlements. They contain native, synanthropic and/or style compounded cultural plats in different area or line formed units. Vegetation structure creates mutual linkage net that include parks, gardens, green areas of sport, recreation, treatment, education, industry and dwelling areas, street tree alleys, bank side river and route vegetation. The area – space systems of settlement vegetation are called very often as green net, green ways, ecological corridors, green spaces, open spaces, etc. This green net of settlement fulfil wide spectrum of functions and services, in principle defined to three groups as are ecological, environmental and social. To decision green area effect belong improvement of climate and air quality, sustainable biodiversity development, human health reinforcement and life quality improvement. On city territory we have described the seven categories of vegetation formations in linkage to function zone.