Lithops divergens var. amethystina de Boer in Succulenta (Netherlands) 1961: 40. 1961
Lithops divergens var. amethystina in Succulenta (Netherlands) 1961: 40. 1961
is basionym for Lithops divergens f. amethystina in Cact. Succ. J. (Los Angeles) 42. 1970