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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 62680	CA330-236	Dichelostemma ida-maia (Alph. Wood) Greene	California, United States	W6	2025	Wild material		2192898	W6 62680
1	W6 61544	CA330-223	Wyethia angustifolia (DC.) Nutt.	California, United States	W6	2024	Wild material	large yellow radiant flower sunflower like Leaves lance linear short strigose head generally 1	2167993	W6 61544
2	W6 57750	CA330-189	Danthonia californica Bol.	California, United States	W6	2020	Wild material	SOS 92nd Shipment	2105048	W6 57750
3	W6 57751	CA330-190	Sisyrinchium bellum S. Watson	California, United States	W6	2020	Wild material	SOS 92nd Shipment	2105049	W6 57751
4	W6 40426	CA330-114	Danthonia californica Bol.	California, United States	W6	2011	Wild material		1861187	W6 40426
5	W6 40456	CA330-115	Festuca californica Vasey	California, United States	W6	2011	Wild material		1861217	W6 40456

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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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