About Germplasm Accessions

Send questions or comments relating to germplasm accessions directly to the appropriate National Plant Germplasm System repositories, identified as the "species priority site" in the GRIN TAXONOMY for PLANTS report of a species, where direct links to the repositories are provided. If you have already selected the accessions you wish to receive, use the following link to request germplasm from the appropriate repository.

About General NPGS or GRIN Questions

To send general questions or comments regarding National Plant Germplasm System or Germplasm Resources Information Network click here.

About GRIN TAXONOMY for PLANTS Data

Send questions or comments regarding content of GRIN TAXONOMY for PLANTS data to:

Dr. J. H. Wiersema at: John.Wiersema at ars.usda.gov.

We invite suggestions to improve user access and presentation of our data or any corrections of its content.

About GRIN TAXONOMY for PLANTS Web Site Structure

Send questions or comments regarding site structure to:

Dr. J. H. Wiersema at: John.Wiersema at ars.usda.gov.