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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	IMAGE	AVAILABILITY	RECEIVED	SOURCE TYPE	SOURCE DATE	COLLECTION SITE	COORDINATES	ELEVATION	HABITAT	IMPROVEMENT LEVEL	NARRATIVE
0	W6 58328	CA930A-888	Pleurocoronis pluriseta (A. Gray) R. M. King & H. Rob.	California, United States	W6			2020							Wild material	Associated Species: Delete duplicated Bebbia juncea var. aspera, Encelia farinosa, Eriogonum fasciculatum var. polifolium, Porophyllum gracile, Ambrosia dumosa, Calycoseris wrightii, Mentzelia involucrataûDelete Sphaeralcea ambigua, keep Sphaeralcea ambigua ssp. ambigua (currently accepted name: S. a. var. ambigua)ûAdd Funastrum cynanchoides var. hartwegii (FUCYH2)	2109891	W6 58328
1	W6 55759	CA930A-707	Pleurocoronis pluriseta (A. Gray) R. M. King & H. Rob.	California, United States	W6			2018							Wild material	Pleurocoronis pluriseta	1970470	W6 55759

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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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