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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	IMPROVEMENT LEVEL	NARRATIVE
0	W6 63056	MT050-85	Sphaeromeria argentea Nutt.	Montana, United States	W6	Not Available	2025	Wild material	Low growing yellow flowers. Smells very sagey	2196236	W6 63056
1	W6 46663	ID931-361-CAMAS	Sphaeromeria potentilloides (A. Gray) A. Heller var. nitrophila (Cronquist) A. H. Holmgren et al.	Idaho, United States	W6		2013	Wild material		1913769	W6 46663
2	W6 30853	ID310-7	Sphaeromeria argentea Nutt.	Idaho, United States	W6	Not Available	2007	Wild material	Forb, Height about: 0.09 m	1727976	W6 30853

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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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