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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	TAXONOMY	ORIGIN	AVAILABILITY	RECEIVED
0	PI 132903	Lophophora williamsii (Lem. ex Salm-Dyck) J. M. Coult.	Texas, United States	Historic	1939	1849213	PI 132903
1	PI 4821	Lophophora williamsii (Lem. ex Salm-Dyck) J. M. Coult.	District of Columbia, United States	Historic	1900	1540242	PI 4821
2	PI 4604	Lophophora williamsii (Lem. ex Salm-Dyck) J. M. Coult.	District of Columbia, United States	Historic	1900	1539991	PI 4604
3	PI 4605	Lophophora williamsii (Lem. ex Salm-Dyck) J. M. Coult.	District of Columbia, United States	Historic	1900	1539992	PI 4605
4	PI 4606	Lophophora williamsii (Lem. ex Salm-Dyck) J. M. Coult.	District of Columbia, United States	Historic	1900	1539993	PI 4606

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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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