GRIN is the Germplasm Resources Information Network, a web server that provides information about plants, animals, microbes and invertebrates. Curators and other personnel at all genebanks within the USDA National Plant Germplasm System use GRIN to maintain accession passport data, inventory, characterization, and other information. The public can access GRIN at http://www.ars-grin.gov/ and search for accessions and search for accessions and associated information.