Occurrence of Macrophytes species in the lower basin of the Xingu River

Medeiros, GR.Rodrigues-Filho, JL.Matsmura-Tundisi, T.Tundisi, JEM.Abe, DS.Oliveira, HA.Degani, RM.Blanco, FP.Faria, CRL.Campanelli, L.Soares, FS.Sidagis-Galli, CV.Teixeira-Silva, V.Gatti-Junior, P.Tundisi, JG.