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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	SOURCE DATE	IMPROVEMENT LEVEL	NARRATIVE
0	PI 279719	Col. No. 740	Marshallia caespitosa Nutt. ex DC.	Maryland, United States		Historic	1962	COLLECTED	05/1960			1684813	PI 279719
1	W6 54793	NCBG-708	Marshallia obovata (Walter) Beadle & F. E. Boynton	North Carolina, United States	W6		2018			Wild material	Marshallia obovata	1966019	W6 54793
2	W6 42854	MSB283979	Marshallia caespitosa Nutt. ex DC.	Texas, United States	W6		2011			Wild material		1895314	W6 42854

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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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