References
For Quadrella
Acevedo-Rodríguez, P., and M.T. Strong. 2012. Catalogue of the seed plants of the West Indies. Smithsonian Contr. Bot 98. Google Scholar
Christenhusz, M.J.M., M.F. Fay, and J.W. Byng, eds. 2018. The global flora: a practical guide to vascular plant species of the world. Special edition, GLOVAP nomenclature Part 1, vol. 4: 1-155. Google Scholar
Iltis, H.H., and X. Cornejo. 2010a. Studies in Capparaceae XXVIII: the Quadrella cynophallophora complex. J. Bot. Res. Inst. Texas 4: 93-115. Google Scholar
Iltis, H.H., and X. Cornejo. 2010b. Studies in the Capparaceae XXIX: synopsis of Quadrella, a Mesoamerican and West Indian genus. J. Bot. Res. Inst. Texas 4: 117-132. Google Scholar
Kers, L.E. 2003. Capparaceae. Pp. 36-56. In Kubitzki, K., and C. Bayer, eds. 2003. The families and genera of vascular plants. V. Flowering plants – Dicotyledons – Malvales, Capparales, and non-betalain Caryophyllales. Springer, Berlin. 418 pp. Google Scholar
Tucker, G.C. 2010e. Capparaceae. In Flora of North America Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7, Magnoliophyta: Brassicaceae to Salicaceae. Oxford Univ. Press, New York, NY. 797 pp. Google Scholar