Wadt, Lúcia Helena de Oliveira, and Paulo Yoshio Kageyama. “Genetic Structure and Mating System of <i>Piper hispidinervum< I>”;. Pesquisa Agropecuaria Brasileira, vol. 39, no. 2, Feb. 2004, pp. 151-7, doi:10.1590/S1678-3921.pab2004.v39.6750.