 | Retrieved 19 November 2021. (in Japanese and English) Kurata, S. 2001. スマトラ島およびミンダナオ島産ウツボカズラの２新種(英文). [Two new species of Nepenthes from Sumatra (Indonesia)... 9 KB (729 words) - 18:41, 27 April 2024 |
 | Publications (Borneo), Kota Kinabalu. (in Japanese and English) Kurata, S. 2001. スマトラ島およびミンダナオ島産ウツボカズラの２新種(英文). [Two new species of Nepenthes from Sumatra (Indonesia)... 25 KB (2,689 words) - 18:34, 27 April 2024 |
 | Plant Newsletter 23(4): 101–114. (in Japanese and English) Kurata, S. 2001. スマトラ島およびミンダナオ島産ウツボカズラの２新種(英文). [Two new species of Nepenthes from Sumatra (Indonesia)... 27 KB (2,992 words) - 19:30, 27 October 2022 |
 | History Productions, Poole. (in Japanese and English) Kurata, S. 2001. スマトラ島およびミンダナオ島産ウツボカズラの２新種(英文). [Two new species of Nepenthes from Sumatra (Indonesia)... 29 KB (3,159 words) - 18:48, 27 April 2024 |
 | Cromwell Press, United Kingdom. (in Japanese and English) Kurata, S. 2001. スマトラ島およびミンダナオ島産ウツボカズラの２新種(英文). [Two new species of Nepenthes from Sumatra (Indonesia)... 6 KB (516 words) - 18:34, 30 December 2023 |