Ceolin, G. B., and S. T. S. Miotto. “Checking the Status of Infraspecific Taxa Within Galactia Jussiaeana (Fabaceae) Using Berg’s Correlation-Pleiades Hypothesis”. Phytotaxa, vol. 25, no. 1, June 2011, pp. 39-48, doi:10.11646/phytotaxa.25.1.5.