@article{articlee897431c,
title   = {Reproductive biology of echinodorus grandiflorus (alismataceae): evidence of self-sterility in populations of the state of São Paulo},
author = {Pansarin, Emerson R. and Pansarin, Ludmila M},
year = {2011},
doi = {10.1590/2175-7860201162114},
journal   = {Rodriguesia}
}