Cereus extensus Salm-Dyck ex DC., Prodr. 3: 469. 1828
Cereus extensus, Prodr. 3: 469. 1828
is basionym for Selenicereus extensus in Bot. Jahrb. Syst. 123(1): 56. 2001
is basionym for Hylocereus extensus in Cactaceae Syst. Init. 17: 28. 2003
is basionym for Hylocereus extensus in Stand. Cycl. Hort. 3: 1626. 1915
is basionym for Hylocereus extensus, Cactaceae 2: 191. 1920
is basionym for Mediocactus extensus in Sukkulenty 4(1-2): 42. 2002 ["2001"]
Neotype (designated by Leuenberger, B. E. 2001: 561): French Guiana, Atachi Bacca-Berge (Camp1). Wald am rechten Ufer des Itany Flusses, alt. 100 m, 31 Jan 1989, Granville 10991 (B: B 10 0277924) https://plants.jstor.org/stable/10.5555/al.ap.specimen.b_10_0277924