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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	AVAILABILITY	RECEIVED	SOURCE TYPE	SOURCE DATE	IMPROVEMENT LEVEL
0	PI 424808	HW 0178	Neomarica caerulea (Ker Gawl.) Sprague	Maryland, United States	Historic	1978	DONATED	01/25/1978		1319983	PI 424808
1	PI 262311		Neomarica caerulea (Ker Gawl.) Sprague	North Holland, Netherlands	Historic	1959	DONATED	12/28/1959		1566909	PI 262311
2	PI 131914		Neomarica humilis (Klatt) Capell.	Scotland, United Kingdom	Historic	1939	COLLECTED			1847971	PI 131914
3	PI 132901		Neomarica gracilis (Herb.) Sprague	Madagascar	Historic	1935	COLLECTED			1849211	PI 132901
4	OPGC 1782	OPGC 1782	Neomarica gracilis (Herb.) Sprague		Historic	2005			Wild material	1690452	OPGC 1782

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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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