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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	ELEVATION	NARRATIVE
0	PI 441097		Ixophorus unisetus (J. Presl) Schltdl.	United States		Historic	1980	COLLECTED	09/1973	Refugio Co., Texas	13	Collected by W. C. Rampley.	1336033	PI 441097
1	PI 283478	CPI 21357	Ixophorus unisetus (J. Presl) Schltdl.	Unknown		Historic	1962	COLLECTED		From Central America			1210633	PI 283478
2	PI 203690		Ixophorus unisetus (J. Presl) Schltdl.	Costa Rica	S9	Not Available	1952	DONATED	11/25/1952				1170902	PI 203690
3	PI 145832		Ixophorus unisetus (J. Presl) Schltdl.	Colombia		Historic	1943	COLLECTED					1878666	PI 145832
4	PI 71388		Ixophorus unisetus (J. Presl) Schltdl.	Hawaii, United States		Historic	1927	COLLECTED					1496551	PI 71388
5	PI 50650	Zacate blanco	Ixophorus unisetus (J. Presl) Schltdl.	Guatemala, Guatemala		Historic	1920	COLLECTED					1618351	PI 50650

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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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