Epiphyllum gaillardae Britton & Rose in Contr. U.S. Natl. Herb. 16: 240. 1913
Epiphyllum gaillardae in Contr. U.S. Natl. Herb. 16: 240. 1913
is basionym for Phyllocactus gaillardae in Monatsschr. Kakteenk. 23: 87, 88. 1913
Holotype: Panama. Canal zone, 6 August 1909, Gaillard s.n. (US-691240)