Nepenthes truncata Macfarl. in Trans. Proc. Bot. Soc. Pennsylv. 3(3): 209, t. 2. 1911
Nepenthes truncata in Trans. Proc. Bot. Soc. Pennsylv. 3(3): 209, t. 2. 1911
Unknown type category: Philippines, Mindanao, Surigao Province, near Samsolang, alt. 600 m, 1907, Allen 191 (?PENN)1
Nepenthes truncata in Trans. Proc. Bot. Soc. Pennsylv. 3(3): 209, t. 2. 1911