TY - JOUR T1 - Manganese accumulation and its effects on three tropical aquatic macrophytes: Azolla caroliniana, Salvinia mínima and Spirodela polyrhiza JO - Rodriguésia A1 - Lizieri, Claudineia A1 - Aguiar, Rosane A1 - Kuki, Kacilda Naomi SN - 2175-7860 UL - 10.1590/S2175-78602011000400016 VL - 62 Y1 - 2011 PB - Brasil ER -