Macrophytes in the upper Paraná river floodplain : checklist and comparison with other large South America wetlands /

by Alves Ferreira, Fernando, Alves Ferreira, Fernando

Macrophytes in the upper Paraná river floodplain: checklist and comparison with other large South American wetlands

by Alves Ferreira, Fernando

Yuyos : uso racional de las plantas medicinales /

by Paz, Eduardo Alonso, Paz, Eduardo Alonso, Bassagoda, María Julia, Ferreira, Fernando
Published 1992

Aquatic macrophytes in the large, sub-tropical Itaipu Reservoir, Brazil /

by Mormul, Roger Paulo