Nepenthes gracilis var. arenaria Ridl. ex Macfarl. in Engler, Pflanzenr. IV. 111 (Heft 36): 59. 1908
Nepenthes gracilis var. arenaria in Engler, Pflanzenr. IV. 111 (Heft 36): 59. 1908
Unknown type category: Singapore, Praman, H.N. Ridley 1473 (K)
Nepenthes gracilis var. arenaria in Engler, Pflanzenr. IV. 111 (Heft 36): 59. 1908
Taxon for this name