"Genus: Pisonia L."Germplasm Resources Information Network. United States Department of Agriculture. 2010-07-07. Archived from the original on 2012-10-09. Retrieved 2010-11-18.
"Genus: Pisonia L."Germplasm Resources Information Network. United States Department of Agriculture. 2010-07-07. Archived from the original on 2012-10-09. Retrieved 2010-11-18.