Binghamia pacalaensis (Backeb.) Werderm. in Kakteenkunde 1937: 24. 1937 Binghamia pacalaensis (Backeb.) Werderm. in Kakteenkunde 1937: 24. 1937is new combination for Cereus pacalaensis Backeb. in Kakteen-Freund 2(1): 4. 1933Taxon for this nameBinghamia pacalaensis (Backeb.) Werderm.