Cultivated plants of this species were for a long time misidentified as N. pilosa. While N. pilosa is endemic to Kalimantan, N. chaniana is native to Sabah and Sarawak (Bukit Batu Lawi and other mountains). The pitchers of N. pilosa are rounder and broader in shape than those of N. chaniana.
^ abClarke, C.M., C.C. Lee & S. McPherson 2006. Nepenthes chaniana (Nepenthaceae), a new species from north-western Borneo. Sabah Parks Nature Journal7: 53–66.
^Robinson, A.S., J. Nerz & A. Wistuba 2011. Nepenthes epiphytica, a new pitcher plant from East Kalimantan. In: McPherson, S.R. New Nepenthes: Volume One. Redfern Natural History Productions, Poole. pp. 36–51.
Meimberg, H., A. Wistuba, P. Dittrich & G. Heubl 2001. Molecular phylogeny of Nepenthaceae based on cladistic analysis of plastid trnK intron sequence data. Plant Biology3(2): 164–175. doi:10.1055/s-2001-12897
Meimberg, H. & G. Heubl 2006. Introduction of a nuclear marker for phylogenetic analysis of Nepenthaceae. Plant Biology8(6): 831–840. doi:10.1055/s-2006-924676
Meimberg, H., S. Thalhammer, A. Brachmann & G. Heubl 2006. Comparative analysis of a translocated copy of the trnK intron in carnivorous family Nepenthaceae. Molecular Phylogenetics and Evolution39(2): 478–490. doi:10.1016/j.ympev.2005.11.023