T. A. PONTES, I. M. ANDRADE, M. SCHULTZ, and S. J. MAYO, “Ernst Ule’s collecting localities in the Serra do Sincorá, Bahia, Brazil and the  lectotypification<em> </em>of <em>Anthurium petrophilum</em> (Araceae)”, Phytotaxa, vol. 266, no. 2, pp. 80–90, Jun. 2016.