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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	AVAILABILITY	RECEIVED	SOURCE TYPE	IMPROVEMENT LEVEL
0	PI 281841		Reynoutria sachalinensis (F. Schmidt) Nakai	Former, Soviet Union	W6	Not Available	1962	COLLECTED	Uncertain improvement status	1209478	PI 281841
1	PI 226541		Reynoutria japonica Houtt.	Japan		Historic	1955	COLLECTED		1181828	PI 226541
2	PI 37626		Reynoutria sachalinensis (F. Schmidt) Nakai	Veracruz de Ignacio de la Llave, Mexico		Historic	1914	COLLECTED		1602517	PI 37626
3	PI 19825		Reynoutria sachalinensis (F. Schmidt) Nakai	Hokkaidô, Japan		Historic	1907	COLLECTED		1576867	PI 19825
4	PI 455	NEH1897	Reynoutria sachalinensis (F. Schmidt) Nakai	Sakhalin, Russian Federation		Historic	1898	COLLECTED	Cultivated material	1481140	PI 455

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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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