Nepenthes undulatifolia Nerz, Wistuba, U.Zimm., Chi.C.Lee, Pirade & Pitopang in McPherson, New Nepenthes 1: 493 (492-505; fi
Nepenthes undulatifolia in McPherson, New Nepenthes 1: 493 (492-505; figs. 428-444). 2011
Type (designated by Nerz, J., Wistuba, A., Zimmermann, U., Lee, C.C., Pirade Paserang, A. & Pitopang, R. 20111): South East Sulawesi, 08 April 2009, APP-1 (holotype, CEB)
Nepenthes undulatifolia in McPherson, New Nepenthes 1: 493 (492-505; figs. 428-444). 2011