[1] J. Rzedowski, “El endemismo de la Flora Fanerogámica Mexicana: Una Apreciación Analítica Preliminar,” Acta Botanica Mexicana, Vol. 15, 1991, pp. 47-64.
[2] S. Schauer, Linnaea, Vol. 20, 1874, pp. 736.
[3] H. Baillon, “Historie des Plantes,” Paris, 1872.
[4] A. Engler and K. Prantl, “Saxifragaceae,” In: A. Engler and K. Prantl, Eds., Die Natürlichen Pflazenfamilien, 2nd Edition, Vol. 18a, Wilhelm Engelmann, Leipzig, 1928, pp. 74-226.
[5] G. Erdtman, “Pollen Morphology and Plant Taxonomy Angiosperms,” Azlmquist and Wilksell, Estocolmo, 1952, pp. 539.
[6] G. K. Schulze-Menz, “Saxifragaceae,” In: H. Melchior Ed., A. Engler’s Syllabus der Pflanzentamilien, Berlín, 1964, pp. 201-206.
[7] A. Cronquist, “An Integrated System of Classification of Flowering Plants,” Columbia University Press, Nueva York, 1981, p. 1261.
[8] R. F. Thorne, “Classification and Geography of the Flowering Plants,” Botanical Review, Vol. 58, 1992, pp. 225-348. http://dx.doi.org/10.1007/BF02858611
[9] J. K. Small, “Pterostemonaceae,” In: N. L. Britton, et al., Eds., North American Flora, Vol. 22, The New York Botanical Garden, New York, 1905, p. 183.
[10] J. Hutchinson, “The Genera of Flowering Plants (Angiospermae),” Vol. I, Oxford at the Clarendon Press, Londres, 1967, p. 659.
[11] R. Dahlgren, “A Revised System of Classification of Angiosperms,” Botanical Journal of the Linnean Society, Vol. 80, No. 2, 1983, pp. 91-124.
http://dx.doi.org/10.1111/j.1095-8339.1980.tb01661.x
[12] A. Takhtajan, “Floristic Regions of the World,” University of California Press, Berkeley, 1988, p. 522.
[13] E. Pérez-Cálix, “Pterostemonaceae,” In: G. Calderón de Rzedowski and J. Rzedowski, Eds., Flora del Bajío y Regiones Adyacentes, Centro Regional del Bajío, Instituto de Ecología A.C., Pátzcuaro, 2003, p. 9.
[14] Angiosperm Phylogeny Group, APG III, “An Update of the Angiosperm Phylogeny Group Classification for the Orders and Families of Flowering Plants: APG III,” Botanical Journal of the Linnean Society, Vol. 161, No. 4, 2009, pp. 105-121. doi: 10.1111/j.1095-8339.2009.00996
[15] D. E. Soltis, R. K. Kuzoff, M. E. Mort, M. Koontz and M. K. Arroyo, “Elucidating Deep-Level Phylogenetic Relationships in Saxifragaceae Using Sequences for Six Chloroplast and Nuclear DNA Regions,” Annals of the Missouri Botanical Garden, Vol. 88, No. 4, 2001, pp. 669-693. http://dx.doi.org/10.2307/3298639
[16] M. W. Chase, D. E. Soltis, R. G. Olmstead, D. Morgan, D. H. Les, B. D. Mishler, M. R. Duvall, R. Price, H. G. Hills, Y. Qui, K. Akron, J. H. Rettig, E. Conti, J. D. Palmer, J. R. Manhart, K. J. Sytsma, H. J. Michaels, W. J. Kress, K. G. Karol, W. D. Clark, M. Hedren, B. S. Gaut, R. K. Jansen, K. Kim, C. F. Wimpee, J. F. Smith, G. R. Furnier, S. H. Strauss, Q. Xiang, G. M. Plunkett, P. S. Soltis, S. M. Swernsen, S. E. Williams, P. A. Gadek, C. J. Quinn, L. E. Eguiarte, E. Golenberg, G. H. Learn Jr., S. Graham, S. C. H. Barrett, S. Dayanandan and V. A. Albert, “Phylogenetics of Seed Plants: An Analysis of Nucleotide Sequences from the Plastid Gene rbcL,” Annals of the Missouri Botanical Garden, Vol. 80, No. 3, 1993, pp. 528-580. http://dx.doi.org/10.2307/2399846
[17] D. E. Soltis and P. S. Soltis, “Phylogenetic Relationships in Saxifragaceae Sensu Lato: A Comparison of Topologies Based on 18S rDNA,” American Journal of Botany, Vol. 76, No. 8, 1997, pp. 1119-1124.
http://dx.doi.org/10.2307/2444824