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Germplasm Resources Information Network (GRIN)

posted on 2024-02-13, 16:18 authored by USDA Agricultural Research Service

The Germplasm Resources Information Network (GRIN) is an online portal for information about agricultural genetic resources that are managed by the Agricultural Research Service of USDA, along with U.S. partnering organizations.

The content includes general information about ARS animal, microbial and plant germplasm collections, most notably the U.S. National Plant Germplasm System (NPGS). The NPGS curates more than 600,000 active accessions of living plant material at 20 genebank locations around the U.S., and makes small quantities available globally to plant breeders and other professional scientists.

GRIN also documents activities of Crop Germplasm Committees (CGC) that support the NPGS. The CGCs are comprised of public and private sector subject matter experts for a given crop (there are currently 44 CGCs) who voluntarily provide input on technical and operational matters to the NPGS.

The site includes two searchable datasets: the ARS Rhizobium collection and Plant Variety Protection Certificates. The Rhizobium collection is living bacteria that nodulate the roots of leguminous plants symbiotically to provide nitrogen fixation. Samples are available to research scientists globally upon request. The Plant Variety Protection (PVP) Certificates are issued by the Agricultural Marketing Service (AMS) of USDA to provide intellectual property protection to registered new varieties of plants that are propagated by seed or tubers. The GRIN site allows queries of PVPs by certificate number, name of the crop, variety name, or certificate holder, all using data provided by the AMS.

Resources in this dataset:

  • Resource Title: Website Pointer for Germplasm Resources Information Network (GRIN).

    File Name: Web Page, url:




Data contact name

Kinard, Gary

Data contact email


USDA Agricultural Research Service

Temporal Extent Start Date



  • irregular


  • Not specified

Geographic Coverage


ISO Topic Category

  • biota

Ag Data Commons Group

  • AgBioData

National Agricultural Library Thesaurus terms

germplasm; Germplasm Resources Information Network; plants (botany); microorganisms; invertebrates; cultivars; livestock; livestock and meat industry; genetic variation; gene banks; plant exchange; Food and Agriculture Organization; food security

OMB Bureau Code

  • 005:18 - Agricultural Research Service

OMB Program Code

  • 005:040 - National Research

ARS National Program Number

  • 301

Pending citation

  • No

Public Access Level

  • Public

Preferred dataset citation

USDA Agricultural Research Service (2022). Germplasm Resources Information Network (GRIN). USDA Agricultural Research Service.