Nepenthes alata var. ecristata Macfarl. in Engler, Pflanzenr. IV. 111 (Heft 36): 72. 1908
Nepenthes alata var. ecristata in Engler, Pflanzenr. IV. 111 (Heft 36): 72. 1908
Lectotype (designated by Cheek, M. R. & Jebb, M. H. P. 2013: 61): Lectotype Philippines, Mindanao, “Prov. of Misamis, Mount Malindang”, May 1906, Mearns & Hutchinson in Forest Bureau 4632 (lecto-: K!; isolecto-: PH!).
Nepenthes alata var. ecristata, non in Engler, Pflanzenr. IV. 111 (Heft 36): 72. 1908