1. Biotechnology Laboratory, Interdisciplinary Research Center for Regional Integral Development Unit Durango, National Polytechnic Institute, Durango, Mexico (LAPO, MCR, NNJ, NAA, JAAR, JHG, LSGV, RTR)
2. Institute of Botany, Department of Botany and Zoology, University of Guadalajara, Jalisco, Mexico (LGD)
3. Research and Postgraduate Secretariat, National Polytechnic Institute, Mexico (IRM)