Marques-Silva, G. G.; Thomaz, S. M. <b>Biological Interactions in the Co-Occurrence of <em>Eichhornia azurea</em> and Free-Floating macrophytes</b&gt; - DOI: 10.4025/actascibiolsci.V31i4.5577. Acta Sci. Biol. Sci. 2009, 31, 355-361.