Genetic variability, divergence and speciation in trees of periodically flooded forests of the Amazon: a case study of Himatanthus sucuuba (Spruce) Woodson - Ferreira, C. S; Figueira, Antonio Vargas de Oliveira; Gribel, R; Wittmann, Florian; Piedade, Maria Teresa Fernandez (Amazon floodplain forests ecophysiology, biodiversity and sustainable management, 2010)