Binghamia humifusa (Backeb.) Werderm. in Kakteenkunde 1937: 24. 1937 Binghamia humifusa (Backeb.) Werderm. in Kakteenkunde 1937: 24. 1937is new combination for Haageocereus versicolor var. humifusus Backeb. in Blätt. Kakteenf. 1936(4): 3. 1936Taxon for this nameBinghamia humifusa (Backeb.) Werderm.