In this book, lichens collected in 2015 and 2016 in the Brazilian states Amapá, Tocantins and some from Pará and São Paulo are treated, including several species that were not illustrated before. Pará is one of the largest states in the Amazon. Some specimens are illustrated here from near the border of this state with Manahão. Amapá and Tocantins are tropical states in Northern Brazil. Amapá is the only Brazilian state that lies largely in the Northern Hemisphere. For many tropical species that were described from Brazil, it is their only known occurence on the Northern Hemisphere. The natural vegetation of Amapá is tropical rainforest; in Tocantins it is partly tropical rainforest, partly Cerrado with gallery forests.