Petersen, J. L., D. N. Ueckert, C. A. Taylor, and K. R. Shaffer. “Germination of Redberry Juniper (Juniperus Pinchotii) Seed in Western Texas”. Texas Journal of Agriculture and Natural Resources, vol. 18, May 2016, pp. 28-30, https://txjanr.agintexas.org/index.php/txjanr/article/view/121.