Nepenthes Sumatra, Sibolga, 0 m, Feb. 1856, Teijsmann 532 p.p. (BO) Sumatra, Sibolga, 0 m, Feb. 1856, Teijsmann 532 p.p. (U) Sumatra, Sibolga, 0 m, Feb. 1856, Teijsmann 532 p.p. (L) Sumatra, Sibolga, 0 m, Feb. 1856, Teijsmann 533 p.p. (L) Sumatra, Sibolga, 0 m, Feb. 1856, Teijsmann 533 p.p. (U) Sumatra, Sibolga, 0 m, Feb. 1856, Teijsmann 533 p.p. (BO)