M. S.  Kinney, Columbus, J. T., and Friar, E. A., ?Evolution of unisexual spikelets in Bouteloua (Poaceae: Chloridoideae)?, XVI International Botanical Congress Abstracts, 1999.

M. S.  Kinney, Columbus, J. T., and Friar, E. A., ?Kinney (2007)?, Aliso - Monocots: comparative biology and evolution - Poales., vol. 23, pp. 605-614, 2007.

M. S.  Kinney, Columbus, J. T., and Friar, E. A., ?Kinney (2008)?, American Journal of Botany, vol. 95, pp. 123-132, 2008.

J. T.  Columbus, Cerros-Tlatilpa, R., Kinney, M. S., Siqueiros-Delgardo, M. E., Bell, H. L., Griffith, M. P., and Refulio-Rodriguez, N. F., ?Columbus (2007)?, Aliso - Monocots: comparative biology and evolution - Poales., vol. 23, pp. 565-579, 2007.