R. W.  SANDERS and CANTINO, P. D., ?NOMENCLATURE OF THE SUBDIVISIONS OF THE LAMIACEAE?, Taxon, vol. 33, pp. 64?72, 1984.

S. J.  WAGSTAFF, OLMSTEAD, R. G., and CANTINO, P. D., ?Parsimony Analysis of cpDNA Restriction Site Variation in Subfamily Nepetoideae (Labiatae)?, Am J Bot, vol. 82, pp. 886?892, 1995.

P. D.  CANTINO and Doroszenko, A., ?Obtegomeria (Lamiaceae), a new genus from South America?, Novon, vol. 8, pp. 1?3, 1998.

P. D.  CANTINO, OLMSTEAD, R. G., and WAGSTAFF, S. J., ?A comparison of phylogenetic nomenclature with the current system: a botanical case study?, Systematic Biology, vol. 46, p. 313, 1997.