Cheek, M., Tandang, D.N. and Pelser, P.B. 2015.

Nepenthes barcelonae (Nepenthaceae), a new species from Luzon, Philippines

. Phytotaxa. 222, 2 (Aug. 2015), 145–150. DOI:https://doi.org/10.11646/phytotaxa.222.2.7.