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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	SOURCE TYPE	SOURCE DATE	COLLECTION SITE
0	PI 142351		Heteropterys syringifolia Griseb.	Louisiana, United States		Historic	1941	COLLECTED			1867360	PI 142351
1	PI 106637	No. 2503	Heteropterys multiflora (DC.) Hochr.	Guyana		Historic	1934	COLLECTED	09/08/1934	Barima River	1492585	PI 106637
2	PI 103589		Heteropterys laurifolia (L.) A. Juss.	Cienfuegos, Cuba		Historic	1933	COLLECTED			1494173	PI 103589
3	PI 33972		Heteropterys umbellata A. Juss.	Buenos Aires, Argentina		Historic	1912	COLLECTED			1599442	PI 33972
4	PI 8958		Heteropterys umbellata A. Juss.	Buenos Aires, Argentina		Historic	1902	COLLECTED			1548256	PI 8958
5	MIA 19664		Heteropterys chrysophylla (Lam.) Kunth		MIA		1965	DONATED	1965		1083224	MIA 19664

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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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