Nepenthes neoguineensis Macfarl. in Nova Guinea 8: 340, t. 67. 1910
Nepenthes neoguineensis in Nova Guinea 8: 340, t. 67. 1910
Unknown type category: New Guinea, Lorentz River, Sabang, 25 Sep 1907, Versteeg 1746 (BO)
Unknown type category: New Guinea, Lorentz River, Sabang, 25 Sep 1907, Versteeg 1746 (K)
Nepenthes neoguineensis in Nova Guinea 8: 340, t. 67. 1910
Nepenthes neoguineensis, non in Nova Guinea 8: 340, t. 67. 1910 sensu Ridley, H. N.