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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 56504	CA930A-780	Stanleya elata M. E. Jones	California, United States	W6	2019	Wild material		2092007	W6 56504
1	W6 61835 RE	NV052-1008	Fallugia paradoxa (D. Don) Endl. ex Torr.	Nevada, United States	W6	2024	Wild material	White five petaled flowers dark green leaves white to pink fluffy seed heads (Recollection of NV052-1008, WLP 2265)	2168276	W6 61835 RE
2	W6 58339	CA930A-899	Sphaeralcea ambigua A. Gray var. ambigua	California, United States	W6	2020	Wild material	Currently accepted name: Sphaeralcea ambigua var. ambigua (SPAMA3)ûAssociated species: Cryptantha dumetorum is probably C. nevadensis.	2109902	W6 58339
3	W6 56483	CA930A-758	Descurainia pinnata (Walter) Britton subsp. glabra (Wooton & Standl.) Detling	California, United States	W6	2019	Wild material		2091986	W6 56483
4	W6 56498	CA930A-773	Chaenactis stevioides Hook. & Arn.	California, United States	W6	2019	Wild material		2092001	W6 56498
5	W6 54211	NV052-592	Lepidospartum latisquamum S. Watson	Nevada, United States	W6	2018	Wild material	Lepidospartum latisquamum	1964928	W6 54211

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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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