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.
Cita Chicago (17th ed.)Rzedowski, Jerzy, Graciela Calderón de Rzedowski, i 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.
Cita MLA (9th ed.)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.
