For Pisonia
Acevedo-Rodríguez, P., and M.T. Strong. 2012. Catalogue of the seed plants of the West Indies. Smithsonian Contr. Bot 98.
Bittrich & Kühn. 1993. 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.
Bogle, A.L. 1974. The genera of Nyctaginaceae in the southeastern United States. J. Arnold Arb. 55: 1-37.
Clement, J.S., and R.W. Spellenberg. 2003. Pisonia. In Flora of North America Editorial Committee. 2003b. Flora of North America north of Mexico. Volume 4, Magnoliophyta: Caryophyllidae, part 1. Oxford Univ. Press, New York, NY. 559 pp.
Long, R.W., and O. Lakela. 1976. A flora of tropical Florida: a manual of the seed plants and ferns of southern peninsular Florida. Banyan Books, Miami, FL. 962 pp.
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