Ceolin, G. B. and Miotto, S. T. S. (2011) “Checking the status of infraspecific taxa within Galactia jussiaeana (Fabaceae) using Berg’s correlation-pleiades hypothesis”, Phytotaxa. Auckland, New Zealand, 25(1), pp. 39–48. doi: 10.11646/phytotaxa.25.1.5.