"Accession Area Queries". Germplasm Resources Information Network. Diarsipkan dari asli tanggal May 27, 2012. Diakses tanggal June 30, 2012. It gives 500,000 accessions.
"About GRIN". Germplasm Resources Information Network. Diarsipkan dari asli tanggal May 9, 2012. Diakses tanggal June 30, 2012.
books.google.com
National Research Council (U.S.); Committee on Managing Global Genetic Resources: Agricultural Imperatives (1991). The U.S. National Plant Germplasm System. National Academies Press. hlm. 139. ISBN9780309043908. Diarsipkan dari asli tanggal 2023-08-03. Diakses tanggal 2023-07-05.
Miller, William; Pellen, Rita M. (2006). Evolving Internet Reference Resources. Vol. 1. Psychology Press. hlm. 386. ISBN9780789030252. Diarsipkan dari asli tanggal 2023-08-03. Diakses tanggal 2023-07-05. It gives 450,000 accessions (outdated; GRIN gives 500,000 as of June 2012).
National Research Council (U.S.).; Committee on Managing Global Genetic Resources: Agricultural Imperatives (1991). The U.S. National Plant Germplasm System. National Academies Press. hlm. 6, 96. ISBN9780309043908. Diarsipkan dari asli tanggal 2023-08-03. Diakses tanggal 2023-07-05.
grin-global.org
"GRIN-Global". Diarsipkan dari asli tanggal 2011-02-02. Diakses tanggal March 31, 2020.
usda.gov
ars.usda.gov
"About us". Agricultural Resource Service. May 11, 2009. Diarsipkan dari asli tanggal May 27, 2012. Diakses tanggal June 30, 2012.
web.archive.org
National Research Council (U.S.); Committee on Managing Global Genetic Resources: Agricultural Imperatives (1991). The U.S. National Plant Germplasm System. National Academies Press. hlm. 139. ISBN9780309043908. Diarsipkan dari asli tanggal 2023-08-03. Diakses tanggal 2023-07-05.
"About us". Agricultural Resource Service. May 11, 2009. Diarsipkan dari asli tanggal May 27, 2012. Diakses tanggal June 30, 2012.
Miller, William; Pellen, Rita M. (2006). Evolving Internet Reference Resources. Vol. 1. Psychology Press. hlm. 386. ISBN9780789030252. Diarsipkan dari asli tanggal 2023-08-03. Diakses tanggal 2023-07-05. It gives 450,000 accessions (outdated; GRIN gives 500,000 as of June 2012).
"Accession Area Queries". Germplasm Resources Information Network. Diarsipkan dari asli tanggal May 27, 2012. Diakses tanggal June 30, 2012. It gives 500,000 accessions.
National Research Council (U.S.).; Committee on Managing Global Genetic Resources: Agricultural Imperatives (1991). The U.S. National Plant Germplasm System. National Academies Press. hlm. 6, 96. ISBN9780309043908. Diarsipkan dari asli tanggal 2023-08-03. Diakses tanggal 2023-07-05.
"GRIN-Global". Diarsipkan dari asli tanggal 2011-02-02. Diakses tanggal March 31, 2020.
"About GRIN". Germplasm Resources Information Network. Diarsipkan dari asli tanggal May 9, 2012. Diakses tanggal June 30, 2012.