Rzedowski, J., Calderón de Rzedowski, G., & Zamudio, S. (2012). The vascular plants endemic in the state of Queretaro. I. Preliminary numerical analysis and definition of areas of concentration of the restricted-range species. Instituto de Ecología, A.C.
Chicago-čujuhus (17. p.)Rzedowski, Jerzy, Graciela Calderón de Rzedowski, juo Sergio Zamudio. The Vascular Plants Endemic in the State of Queretaro. I. Preliminary Numerical Analysis and Definition of Areas of Concentration of the Restricted-range Species. Instituto de Ecología, A.C, 2012.
MLA-čujuhus (9. p.)Rzedowski, Jerzy, et al. The Vascular Plants Endemic in the State of Queretaro. I. Preliminary Numerical Analysis and Definition of Areas of Concentration of the Restricted-range Species. Instituto de Ecología, A.C, 2012.