Freitas Coelho, F., L. Deboni, and F. Santos Lopes. “Density-Dependent Reproductive and Vegetative Allocation in the Aquatic Plant <i>Pistia stratiotes</i≫ (Araceae)”. Revista De Biología Tropical, vol. 53, no. 3-4, Dec. 2005, pp. 369–376, doi:10.15517/rbt.v53i3-4.14599.