(protected monitored) The Araucaria [Araucaria angustifolia (Bertol.) Kuntze 1898] is the dominant tree species of Araucaria forest, occurring mainly in southern Brazil and in eastern and southern state of São Paulo, the southern tip of the state Minas Gerais, and in small parts of Argentina and Paraguay, and is known by many common names, including Brazilian pine and pine-Parana; It is also known by the name of indigenous origin, curi. The species was first described as Columbea angustifolia Bertol. 1819. It dates back to more than 200 million years ago when the population was spreading the Brazilian Northeast. Dioecious conifer, evergreen, heliophytic can reach 50m high, with a trunk diameter at breast height of 2.5 m. Its shape is unique in the Brazilian landscape, looking like a bowl or umbel. Occupying an original area of 200 square kilometers, from the nineteenth century was heavily exploited for its high economic value, giving wood very useful and nutritious seeds, and today its territory is reduced to a fraction, which according to the International Union for Conservation of Nature and Natural Resources (IUCN) places the Araucaria in Danger of Extinction critic.