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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	RECEIVED	IMPROVEMENT LEVEL	NARRATIVE
0	W6 61546	CA330-225	Clarkia purpurea (Curtis) A. Nelson & J. F. Macbr.	California, United States	W6	2024	Wild material	Small pink purple flowers with Parker spots within the center of each petal fruit a 1 3 4 chambered capsule Plant 4 8 tall erect	2167995	W6 61546
1	OPGC 8449	WY070-101	Ratibida columnifera (Nutt.) Wooton & Standl.	Wyoming, United States	OPGC	2021	Wild material	Clumping aster with drooping, wide, bright yellow (occasionally red and yellow) ray flowers around a cylindrical cone. Leaves deeply divided.	2120873	OPGC 8449
2	W6 56930	AZ930-407	Sporobolus wrightii Munro ex Scribn.	Arizona, United States	W6	2019	Wild material		2096877	W6 56930
3	W6 53463	NM030-61	Bromus ciliatus L.	New Mexico, United States	W6	2018	Wild material		1958198	W6 53463
4	W6 53464	NM030-62	Elymus elymoides (Raf.) Swezey subsp. brevifolius (J. G. Sm.) Barkworth	New Mexico, United States	W6	2018	Wild material		1958199	W6 53464

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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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