Lithops subg. Xantholithops Schwantes in Natl. Cact. Succ. J. 6: 23. 1951 Lithops subg. Xantholithops Schwantes in Natl. Cact. Succ. J. 6: 23. 1951Taxon for this nameLithops subg. Xantholithops Schwantes in Natl. Cact. Succ. J. 6: 23. 1951
