What is the native range of the Brazil nut tree?

The native range of the Brazil nut tree [Bertholletia Excelsa] is eastern Bolivia, Brazil, eastern Colombia, French Guiana, Guyana, eastern Peru, and Venezuela. Its current geographic distribution in Brazil is in the northern states of Acre, Amazonas, Maranhão, Pará, and Rondônia.

The tree is included in the official list of endangered flora of Brazil [Portaria 37-N, Act No. 37-n]. The list was published on April 3, 1992 by the Brazilian Institute of Environment and Renewal Natural Resources [Instituto Brasileiro do Meio Ambiente e dos Recursos Naturais Renováveis, IBAMA].