Epiphyllum thomasianum Lectotype: [illustration] “Phyllocactus Thomasianus K. Sch.”, Fig. by B. Esh in Schumann (1895: unpaged) Epitype: “Fig. A Epiphyllum thomasianum (Schum.) Britt. & Rose var. thomasianum, Birdsey 314, [cult.] UCBG 53.512”, in Kimnach (1965: 165) DNA Bank DB 39970 Mexico, Chiapas. Motozintla, Weg Richtung Siltepec und Honduras., alt. 15501600 m, Ehlers, R. 31112 (Herbarium Berolinense: B GT 0023749)