"Hevea Aubl". Germplasm Resources Information Network. United States Department of Agriculture. 2004-03-31. Diarsipkan dari versi asli tanggal 2009-05-06. Diakses tanggal 2010-04-24.
"Species Records of Hevea". Germplasm Resources Information Network. United States Department of Agriculture. Diarsipkan dari versi asli tanggal 2015-09-24. Diakses tanggal 2010-04-24.
web.archive.org
"Hevea Aubl". Germplasm Resources Information Network. United States Department of Agriculture. 2004-03-31. Diarsipkan dari versi asli tanggal 2009-05-06. Diakses tanggal 2010-04-24.
"Species Records of Hevea". Germplasm Resources Information Network. United States Department of Agriculture. Diarsipkan dari versi asli tanggal 2015-09-24. Diakses tanggal 2010-04-24.