Representative metaphase chromosomes of Pachycereus pringlei. Cerralvo Island (ICE) and Catalana Island (ICA) are the sole localities for diploid cytotypes. Remaining pictures in plate are typical chromosomes in different tetraploid populations. Scale Bar: 2 µm.

 
 
  Part of: Gutiérrez-Flores C, León-de la Luz JL, García-De León FJ, Cota-Sánchez JH (2018) Variation in chromosome number and breeding systems: implications for diversification in Pachycereus pringlei (Cactaceae). Comparative Cytogenetics 12(1): 61-82. https://doi.org/10.3897/compcytogen.v12i1.21554