Conophytum hammeri G.Will. & H.C.Kenn.in Cact. Succ. J. (Los Angeles) 69: 205. 1997 sec. Hammer & A.J.Young 20171 wfo-0000618785
1.Hammer, S. A. & A.J.Young 2017: Conophytum - Ruschioideae. – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: Springer
