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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	IMPROVEMENT LEVEL
0	W6 45625	CA930C-120	Acourtia microcephala DC.	California, United States	W6	Not Available	2013	Wild material	1907591	W6 45625
1	W6 43443	AZ010-21	Acourtia wrightii (A. Gray) Reveal & R. M. King	Arizona, United States	W6		2012	Wild material	1898523	W6 43443
2	W6 42106	UAH-9	Acourtia wrightii (A. Gray) Reveal & R. M. King	Arizona, United States	W6		2011	Wild material	1889473	W6 42106
3	W6 32563	AZ-93005-40	Acourtia wrightii (A. Gray) Reveal & R. M. King	Arizona, United States	W6		2007	Wild material	1740518	W6 32563
4	W6 32605	AZ-93006-12	Acourtia wrightii (A. Gray) Reveal & R. M. King	Arizona, United States	W6		2007	Wild material	1740521	W6 32605

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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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