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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	COLLECTION SITE	ELEVATION	IMPROVEMENT LEVEL	NARRATIVE
0	PI 304369		Macleaya cordata (Willd.) R. Br.	Japan		Historic	1965	COLLECTED	Takizawa Morioka	90			1700766	PI 304369
1	PI 33152	'Microcarpa'	Macleaya cordata (Willd.) R. Br.	Île-de-France, France		Historic	1912	COLLECTED					1598712	PI 33152
2	NA 48567	NA 48567	Macleaya cordata (Willd.) R. Br.		NA	Not Available	1980				Uncertain improvement status	Full name as recorded at U.S. National Arboretum: Macleaya cordata.	2145423	NA 48567

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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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