Smith, G. F. (2026). Kalanchoe ×annae-monroae (Crassulaceae [subfam. Cotyledonoideae] tr. Kalanchoeae), a new nothospecies derived from Malagasy parents [K. fedtschenkoi × K. scandens], with notes on the inheritance of characters that facilitate fitness for survival and invasiveness. Phytotaxa, 781(3), 201–219. https://doi.org/10.11646/phytotaxa.781.3.1