Calazans, Luana S.B., Sakuragui, Cassia M. (2013): A new species of Philodendron (Araceae) and a key to Brazilian Atlantic Forest species of P. subgenus Pteromischum. Phytotaxa 94 (2): 49-55, DOI: 10.11646/phytotaxa.94.2.3, URL: http://dx.doi.org/10.11646/phytotaxa.94.2.3