"Genus: Bocconia L."Germplasm Resources Information Network. United States Department of Agriculture. 2001-11-28. Archived from the original on 2012-10-11. Retrieved 2011-04-20.
"Genus: Bocconia L."Germplasm Resources Information Network. United States Department of Agriculture. 2001-11-28. Archived from the original on 2012-10-11. Retrieved 2011-04-20.