Nepenthes excelsior B.S.Williams in Garden Lond. 28: 463. 1885.

Nomenclatural References

• literature : Florist & Pomol. 1883: 108. [Jul 1883] BHL link from IPNI metadata.
• person : Benjamin Samuel Williams (1824-1890) Based on occurrence of standard abbreviation 'B.S.Williams' in the authors string.
• database : IPNI record: 603704-1
• database : The Plant List version 1.0, record: kew-2384237
• database : The Plant List version 1.1, record: kew-2384237