Smith, G. F., Crouch, N. R. and 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. Auckland, New Zealand, 767(3), pp. 207–224. doi: 10.11646/phytotaxa.767.3.1.