PONTES, T. A.; ANDRADE, I. M.; SCHULTZ, M.; MAYO, S. J. Ernst Ule’s Collecting Localities in the Serra Do Sincorá, Bahia, Brazil and The  lectotypification<em> </em>of <em>Anthurium petrophilum</Em> (Araceae). Phytotaxa 2016, 266, 80–90.