Cielo-Filho, R., Baitello, J.B., Pastore, J.A., Aguiar, O.T. de, Souza, S.C.P.M. de, Toniato, M.T.Z., Lima, C.R. de and Ribeiro, A.P. 2009. Increasing the botanical collecting density at the Alto Paranapanema Basin region: Floristic survey of the State Forest and Ecological Station of Paranapanema. Biota Neotropica. 9, 3 (Sep. 2009).