Chiapasia nelsonii (Britton & Rose) Britton & Rose, Cactaceae 4: 203. 1923
Chiapasia nelsonii, Cactaceae 4: 203. 1923
is new combination for Epiphyllum nelsonii in Contr. U.S. Natl. Herb. 16: 257. 1913
Chiapasia nelsonii, Cactaceae 4: 203. 1923