References

For Punica

Graham In Kubitzki, K., C. Bayer, and P.F. Stevens, eds. 2007. The families and genera of vascular plants. IX. Flowering plants – Eudicots – Berberidopsidales, Buxales, Crossosomatales, Fabales p.p., Geraniales, Gunnerales, Myrtales p.p., Proteales, Saxifragales, Vitales, Zygophyllales, Clusiaceae alliance, Passifloraceae alliance, Dilleniaceae, Huaceae, Picramniaceae, Sabiaceae. Springer, Berlin. 509 pp. Google Scholar

Graham, S.A. 2021h. Punica. In Flora of North America Editorial Committee. 2021. Flora of North America north of Mexico. Volume 10, Magnoliophyta: Proteaceae to Elaeagnaceae. Oxford Univ. Press, New York, NY. 456 pp. Google Scholar

Zohary, D., and M. Hopf. 1994. Domestication of plants in the Old World. The origin and spread of cultivated plants in west Asia, Europe, and the Nile Valley. Second edition. Clarendon Press, Oxford. 279 pp. Google Scholar