L. F. Watzlawick, S. J. Longhi, P. R. Schneider, C. A. G. Finger, and R. V. Longhi, “Characterization and vegetation dynamics of the Savana Estepica Parque, Barra do Quaraí, RS, Brazil”, Pesq. flor. bras., vol. 30, no. 64, p. 363, Aug. 2010, doi: 10.4336/2010.pfb.30.64.363.