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June 1, 2026 – New Shipping Procedures

Effective June 1, 2026, all U.S. National Plant Germplasm System (NPGS) recipients are required to pay the shipping charges of their germplasm requests by providing a prepaid label or waybill. For more details, please refer to our Frequently Asked Questions.

News

Effective Jan. 1, 2025, the U.S. National Plant Germplasm System will modify its SMTA acceptance policy to distinguish between propagative and non-propagative germplasm. [Read More]

The U.S. Department of Agriculture (USDA) released today the National Strategic Germplasm and Cultivar Collection Assessment and Utilization Plan in support of the Agricultural Research Service (ARS) U.S. National Plant Germplasm System’s (NPGS) mission [Read More]

International distributions are covered by the International Treaty on Plant Genetic Resources for Food and Agriculture and could be covered by the Standard Material Transfer Agreement (SMTA). [Read More]

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	ACCESSION	PLANT NAME	TAXONOMY	ORIGIN	GENEBANK	RECEIVED	SOURCE TYPE	SOURCE DATE	COLLECTION SITE	COORDINATES	ELEVATION	HABITAT	IMPROVEMENT LEVEL
0	WLP 2479	245533	Malvaviscus arboreus Cav.	Texas, United States	NA	2011	COLLECTED	10/05/2004				Gently rolling terrain	Wild material	1895313	WLP 2479
1	WLP 2480	210568	Malvaviscus arboreus Cav.	Texas, United States	NA	2011	COLLECTED	09/30/2003					Wild material	1895410	WLP 2480
2	NA 87354	TJK2022TX-002	Ptelea trifoliata L.	Texas, United States	NA	2023	COLLECTED	11/29/2022	Blanco County: Little Blanco Road, upper slope off Little Blanco River; 330 feet west of Highway 281.	30.00140000, -98.40650000	390	Shaded streamside slope between road and Little Blanco River.	Wild material	2141645	NA 87354
3	Ames 32736	245522	Viguiera dentata (Cav.) Spreng.	United States	NC7	2011	COLLECTED	10/05/2004				Gently rolling terrain. Associated with Juniperus ashei, Mahonia trifoliolata, Malvaviscus arboreus var. drummondii, Nassella leucotricha, Panicum virgatum, Quercus fusiformis, Schizachyrium scoparium, and Sorghastrum nutans.	Wild material	1895396	Ames 32736

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June 1, 2026 – New Shipping Procedures

News

SMTA Acceptance Policy

USDA Introduces a Multi-Year Plan to Strengthen U.S. Genebank Management of Plant GermplasmInternational Distributions

International Distributions

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