References

For Celtis

Hayes, A., S. Wang, A.T. Whittemore, and T.W. Smith. 2022. The genetic diversity of triploid Celtis pumila and its diploid relatives C. occidentalis and C. laevigata (Cannabaceae). Syst. Bot. 47(2): 441-451. Google Scholar

Henrickson, J. 2010. Comments on a revision of Celtis subgenus Mertensia (Celtidaceae) and the recognition of Celtis pallida. J. Bot. Res. Inst. Texas 4: 287-293. Google Scholar

Todzia, C.A. 1993. Ulmaceae. Pp. 603-611 In Kubitzki, K., J.G. Rohwer, and V. Bittrich, eds. 1993. The families and genera of vascular plants. II. Flowering plants – Dicotyledons – Magnoliid, Hamamelid and Caryophyllid families. Springer, Berlin. 653 pp. Google Scholar

Whittemore In Yatskievych, G. 2013. Steyermark’s flora of Missouri. Volume 3. Missouri Bot. Garden Press, St. Louis, MO. 1382 pp. Google Scholar