Disocactus speciosus subsp. bierianus Disocactus speciosus subsp. speciosus Disocactus speciosus subsp. blomianus Disocactus speciosus subsp. cinnabarinus Disocactus speciosus subsp. heterodoxus
Cactus speciosus Cereus bifrons Cereus coccineus Cereus hybridus Cereus setiger Cereus speciosus Cereus speciosus var. coccineus Epiphyllum speciosum Heliocereus speciosus Cereus jenkinsonii Cereus lateritius Cereus speciosus Cereus speciosus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024