Epiphyllum thomasianum (K.Schum.) Britton & Rose in Contr. U.S. Natl. Herb. 16: 259. 1913
Epiphyllum thomasianum in Contr. U.S. Natl. Herb. 16: 259. 1913
is new combination for Phyllocactus thomasianus in Monatsschr. Kakteenk. 5: 6. 1895
Lectotype (designated by Bauer, R. 2003: 2471): [illustration] “Phyllocactus Thomasianus K. Sch.”, Fig. by B. Esh in Schumann (1895: unpaged) https://biodiversitylibrary.org/page/14171264
Epitype (designated by Bauer, R. 2003: 2471): “Fig. A Epiphyllum thomasianum (Schum.) Britt. & Rose var. thomasianum, Birdsey 314, [cult.] UCBG 53.512”, in Kimnach (1965: 165)
Epiphyllum thomasianum in Contr. U.S. Natl. Herb. 16: 259. 1913