Conophytum semilunulum Tischer in Cact. Succ. J. Gr. Brit. 21: 78. 1959 Conophytum semilunulum Tischer in Cact. Succ. J. Gr. Brit. 21: 78. 1959is basionym for Conophytum meyeri f. semilunulum (Tischer) Rawé in Cact. Succ. J. (Los Angeles) 54: 222. 1982Taxon for this nameConophytum semilunulum Tischer