“Sphagnum (velvet) species used by rural communities at the Guaratuba EPA, Paraná State, Brazil - doi: 10.4025/actascibiolsci.v34i2.7055”, Acta Sci. Biol. Sci., vol. 34, nº 2, p. 163–171, out. 2011, doi: 10.4025/actascibiolsci.v34i2.7055.