Disocactus ackermannii f. candidus (Alexander) Barthlott in Bradleya 9: 87. 1991 Disocactus ackermannii f. candidus (Alexander) Barthlott in Bradleya 9: 87. 1991is new combination for Epiphyllum ackermannii f. candidum Alexander in Cact. Succ. J. (Los Angeles) 19: 58. 1947Taxon for this nameDisocactus ackermannii f. candidus (Alexander) Barthlott