Nepenthes × pyriformis (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Nepenthes × pyriformis" in English language version.

refsWebsite

Global rank English rank

low place

1^st place

394^th place

442^nd place

carnivorousplants.org

Hopkins, M., R. Maulder & B.[R.] Salmon 1990. "A real nice trip to Southeast Asia" (PDF). (1.72 MiB) Carnivorous Plant Newsletter 19(1–2): 19–28.
Nerz, J. & A. Wistuba 1994. Five new taxa of Nepenthes (Nepenthaceae) from North and West Sumatra Archived 2011-08-05 at the Wayback Machine. Carnivorous Plant Newsletter 23(4): 101–114.
Kurata, S. 2002. "Revision trial in recent enumeration of Nepenthes species" (PDF). Proceedings of the 4th International Carnivorous Plant Conference: 111–116.

von Arx, B., J. Schlauer & M. Groves 2001. "CITES Carnivorous Plant Checklist" (PDF). Archived from the original (PDF) on 2008-05-13. The Cromwell Press, United Kingdom.

von Arx, B., J. Schlauer & M. Groves 2001. "CITES Carnivorous Plant Checklist" (PDF). Archived from the original (PDF) on 2008-05-13. The Cromwell Press, United Kingdom.
Nerz, J. & A. Wistuba 1994. Five new taxa of Nepenthes (Nepenthaceae) from North and West Sumatra Archived 2011-08-05 at the Wayback Machine. Carnivorous Plant Newsletter 23(4): 101–114.