Luna-Cavazos, Mario, Angélica Romero-Manzanares, and Edmundo García-Moya. “Morphological Variation in Cones and Seeds of Two Species of Pinyon Pines Distributed in a Latitudinal Gradient of Mexican Highlands”. BOSQUE 45, no. 3 (January 28, 2025): 413–425. Accessed December 5, 2025. https://www.revistabosque.org/index.php/bosque/article/view/1648.