Mt. Trus Madi, located in the south of Mt. Kinabalu, become known[sic] as a locality for this species. Though this information is not confirmed yet, its existence is expected because this mountain falls within the vertical distribution of this species.
Clarke, C., J.A. Moran & L. Chin 2010. Mutualism between tree shrews and pitcher plants: perspectives and avenues for future research. Plant Signaling & Behavior5(10): 1187–1189. doi:10.4161/psb.5.10.12807
Greenwood, M., C. Clarke, C.C. Lee, A. Gunsalam & R.H. Clarke 2011. A unique resource mutualism between the giant Bornean pitcher plant, Nepenthes rajah, and members of a small mammal community. PLoS ONE6(6): e21114. doi:10.1371/journal.pone.0021114
Chin, L., J.A. Moran & C. Clarke 2010. Trap geometry in three giant montane pitcher plant species from Borneo is a function of tree shrew body size. New Phytologist186 (2): 461–470. doi:10.1111/j.1469-8137.2009.03166.x
Clarke, C., J.A. Moran & L. Chin 2010. Mutualism between tree shrews and pitcher plants: perspectives and avenues for future research. Plant Signaling & Behavior5(10): 1187–1189. doi:10.4161/psb.5.10.12807
Wells, K., M.B. Lakim, S. Schulz & M. Ayasse 2011. Pitchers of Nepenthes rajah collect faecal droppings from both diurnal and nocturnal small mammals and emit fruity odour. Journal of Tropical Ecology27(4): 347–353. doi:10.1017/S0266467411000162
Clarke, C. & J.A. Moran 2011. Incorporating ecological context: a revised protocol for the preservation of Nepenthes pitcher plant specimens (Nepenthaceae). Blumea56(3): 225–228. doi:10.3767/000651911X605781
Bauer, U., C.J. Clemente, T. Renner & W. Federle 2012. Form follows function: morphological diversification and alternative trapping strategies in carnivorous Nepenthes pitcher plants. Journal of Evolutionary Biology25(1): 90–102. doi:10.1111/j.1420-9101.2011.02406.x
Benz, M.J., E.V. Gorb & S.N. Gorb 2012. Diversity of the slippery zone microstructure in pitchers of nine carnivorous Nepenthes taxa. Arthropod-Plant Interactions6(1): 147–158. doi:10.1007/s11829-011-9171-2
Bonhomme, V., H. Pelloux-Prayer, E. Jousselin, Y. Forterre, J.-J. Labat & L. Gaume 2011. Slippery or sticky? Functional diversity in the trapping strategy of Nepenthes carnivorous plants. New Phytologist191(2): 545–554. doi:10.1111/j.1469-8137.2011.03696.x
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