Smith, G.F., Crouch, N.R. & Mckay, A. (2026) Reinstatement of Cotyledon ladysmithiensis, a South African endemic leaf succulent in Crassulaceae [subfam. Cotyledonoideae] tr. Cotyledoneae, with notes on the correct orthography and application of the name. Phytotaxa 767 (3): 207–224. https://doi.org/10.11646/phytotaxa.767.3.1