Where are the Brazilian ethnobotanical studies in the Atlantic Forest and Caatinga?

Abstract The Atlantic Forest and Caatinga ecosystems differ in terms of biodiversity and geoclimatic conditions but are similar in their rich socio-diversity and heterogeneity of vegetation types that comprise their floras. The objectives of this work were to map the ethnobotanical studies that have been conducted in these ecosystems and record the most investigated communities, regions, and vegetation formations related to this research. A literature review was made of ethnobotanical articles related to the use and knowledge of medicinal and food plants employed by local populations within the original territories of the Caatinga and Atlantic Forest. The areas with the highest concentrations of studies (Southeast and South regions in the Atlantic Forest and the states of Pernambuco and Paraíba in the Caatinga) reflect the presence of research groups in these regions. Until now, it was thought that ethnobotanical studies had been conducted throughout the Atlantic Forest and Caatinga; however, the results of this work show that both ecosystems contain areas that still need to be studied