Purnell, A. L., Montague, T., Wright, R. J. ., McKenney, C. . and Wester, D. (2021) “Evidence of Relic Genotypes Persisting in the Texas Hybrid Swarm of Quercus Series Virentes”, Texas Journal of Agriculture and Natural Resources, 34, pp. 21–36. Available at: https://txjanr.agintexas.org/index.php/txjanr/article/view/427 (Accessed: 6July2022).