Filho, Moacy Bernadino Dias. “How Is Fecundity Affected by Mowing in the Tropical Weed <i>Stachytarpheta cayennensis< I> (Verbenaceae)?”. Pesquisa Agropecuaria Brasileira, vol. 29, no. 11, Nov. 1994, pp. 1675-9, doi:10.1590/S1678-3921.pab1994.v29.4221.