Cereus obtusangulus K.Schum., Fl. Bras. 4(2): 198. 1890
Cereus obtusangulus, Fl. Bras. 4(2): 198. 1890
is basionym for Schlumbergera microsphaerica f. obtusangula in Calyx 2: 64. 1992
is basionym for Zygocactus obtusangulus in Arch. Jard. Bot. Rio de Janeiro 2: 28. 1918
is basionym for Schlumbergera obtusangula in Kew Bull. 23(2): 260. 1969
is basionym for Epiphyllanthus obtusangulus in Rep. (Annual) Missouri Bot. Gard. 16: 84. 1905
is basionym for Epiphyllum obtusangulum, Fl. Bras. 4(2): 198. 1890
Cereus obtusangulus, Fl. Bras. 4(2): 198. 1890