TY - JOUR T1 - Weedy and secundary palm species in central amazonian forest Fragments JO - Acta Botanica Brasilica A1 - Scariot, Aldicir SN - 0102-3306 UL - 10.1590/S0102-33062001000200012 VL - 15 Y1 - 2001 PB - Brasil ER -