NEGRELLE, R. R. B.; BORDIGNON, S. E.; YANO, O. <b><i>Sphagnum</i> (velvet) species used by rural communities at the Guaratuba EPA, ParanĂ¡ State, Brazil</b&gt; - doi: 10.4025/actascibiolsci.v34i2.7055. Acta Scientiarum. Biological Sciences, v. 34, n. 2, p. 163-171, 21 out. 2011.