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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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PI 651794
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	ACCESSION	PLANT NAME	TAXONOMY	ORIGIN	GENEBANK	AVAILABILITY	RECEIVED	SOURCE TYPE	SOURCE DATE	COLLECTION SITE	COORDINATES	ELEVATION	HABITAT	IMPROVEMENT LEVEL	NARRATIVE
0	PI 286560		Diphylleia grayi F. Schmidt	Iwate, Japan		Historic	1963	COLLECTED		Mt. Hachimantai		800				1689304	PI 286560
1	WLP 1158	RL 07012	Diphylleia cymosa Michx.	North Carolina, United States	NA	Not Available	2007	COLLECTED		North Carolina: Jackson County, Balsam Mountain Preserve; along West Clubhouse Rd. in seepages above road.		4100				1922664	WLP 1158
2	NA 81073	NA 81073	Diphylleia grayi F. Schmidt	Russian Federation	NA	Not Available	2006	COLLECTED	08/06/2006	Mt. Chekhova	46.98631000, 142.82885000	701	forest edge			1952205	NA 81073
3	NA 74096	NA 74096	Diphylleia grayi F. Schmidt		NA	Not Available	2004							Cultivated material	Full name as recorded at U.S. National Arboretum: Diphylleia grayi.	2149927	NA 74096

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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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