"Genus: Matelea Aubl". Germplasm Resources Information Network. United States Department of Agriculture. 2003-03-13. Archived from the original on 2009-05-06. Retrieved 2011-01-27.
"Genus: Matelea Aubl". Germplasm Resources Information Network. United States Department of Agriculture. 2003-03-13. Archived from the original on 2009-05-06. Retrieved 2011-01-27.