Supplementary material 2 from: Silva WR, Villacorta CDA, Perdiz RO, Farias HLS, Oliveira AS, Citó AC, Carvalho LCS, Barbosa RI (2019) Floristic composition in ecotone forests in northern Brazilian Amazonia: preliminary data. Biodiversity Data Journal 7: e47025. https://doi.org/10.3897/BDJ.7.e47025

Geographic coordinates (degree - lat/long; DATUM WGS84) and altitude (m a.s.l.) of sampling units (plotID) in the eastern Maracá Island.