Rujukan Nepenthes macfarlanei

  1. Clarke, C.M.; Cantley, R.; Nerz, J.; Rischer, H.; Witsuba, A. (2000). "Nepenthes macfarlanei". IUCN Red List of Threatened Species. IUCN. 2000: e.T39670A10255060. doi:10.2305/IUCN.UK.2000.RLTS.T39670A10255060.en. Dicapai 2 April 2017. 
  2. Danser, B.H. 1928. 15. Nepenthes gracillima Ridl.. [pp. 296–300] In: The Nepenthaceae of the Netherlands Indies. Bulletin du Jardin Botanique de Buitenzorg, Série III, 9(3–4): 249–438.
  3. Shivas, R.G. 1984. Pitcher Plants of Peninsular Malaysia & Singapore. Maruzen Asia, Kuala Lumpur.
  4. Smythies, B.E. 1965. The distribution and ecology of pitcher-plants (Nepenthes) in Sarawak. UNESCO Humid Tropics Symposium, June–July 1963, Kuching, Sarawak.
  5. Clarke, C.M. 2001. Nepenthes of Sumatra and Peninsular Malaysia. Natural History Publications (Borneo), Kota Kinabalu.

Rujukan

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