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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	IMPROVEMENT LEVEL
0	PI 538281	7530	Operculina aequisepala (Domin) R. W. Johnson	Queensland, Australia	S9		1989	COLLECTED		2km W of Hughenden, Flinders Highway, Rt. 78.	Wild material	1433217	PI 538281
1	PI 256308		Operculina turpethum (L.) Silva Manso	Maryland, United States		Historic	1959	DONATED	03/30/1959			1558694	PI 256308
2	PI 98557	No. 2959	Operculina hamiltonii (G. Don) D. F. Austin & Staples	Trinidad, Trinidad and Tobago		Historic	1932	COLLECTED	02/15/1932			1785620	PI 98557
3	PI 30870		Operculina turpethum (L.) Silva Manso	Philippines		Historic	1911	COLLECTED				1596660	PI 30870
4	Grif 11875	Grif 11875	Operculina pteripes (G. Don) OʼDonell	Mexico	NLGRP	Not Available	1987	COLLECTED				1057994	Grif 11875

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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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