Nepenthes holdenii is a tropical pitcher plant from western Cambodia, where it grows at elevations of 600–800 m above sea level. The species was originally known from only two peaks in the Cardamom Mountains, but the discovery of a new population was reported in October 2011.
- ^ a b Mey, F.S., M. Catalano, C. Clarke, A. Robinson, A. Fleischmann & S. McPherson 2010. Nepenthes holdenii (Nepenthaceae), a new species of pyrophytic pitcher plant from the Cardamom Mountains of Cambodia. PDF In: S.R. McPherson Carnivorous Plants and their Habitats. Volume 2. Redfern Natural History Productions, Poole. pp. 1306–1331.
- ^ McPherson, S.R. & A. Robinson 2012. Field Guide to the Pitcher Plants of Peninsular Malaysia and Indochina. Redfern Natural History Productions, Poole.
- ^ Mey, F.S. 2011. New Nepenthes holdenii population located!. Strange Fruits: A Garden's Chronicle, October 8, 2011.
- Foges, R. 2010. New species of carnivorous plant discovered in Cambodia. Fauna & Flora International, November 15, 2010.
- Guerini, M. 2011. 2010: new species of Carnivorous Plants. Associazione Italiana Piante Carnivore.
- Holden, J. 2012. What’s in a name – the perils of naming new species. Fauna & Flora International, February 3, 2012.
- Hruby, D. 2010. Another carnivorous plant discovered. The Phnom Penh Post, November 15, 2010.
- Mey, F.S. 2010. Introduction to the pitcher plants (Nepenthes) of Cambodia. Cambodian Journal of Natural History 2010(2): 106–117.
- Mey, F.S. 2010. Nepenthes holdenii. Strange Fruits: A Garden's Chronicle, October 31, 2010.
- Mey, F.S. 2010. Nepenthes holdenii and some ant-plants in the Cardamom mountains. Strange Fruits: A Garden's Chronicle, December 7, 2010.
- Mey, F.S. 2014. 'Nepenthes of Indochina', my 2010 ICPS lecture now on Youtube. Strange Fruits: A Garden's Chronicle, February 3, 2014.
- Mey, F.S. 2014. Paphiopedilum robinsonianum, a new species of slipper orchid from Sulawesi. Strange Fruits: A Garden's Chronicle, February 27, 2014.
- Carnivorous plant found by Cambridge conservationists. BBC News, November 15, 2010.