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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	AVAILABILITY	RECEIVED	SOURCE TYPE	SOURCE DATE	COLLECTION SITE	COORDINATES	ELEVATION	HABITAT	IMPROVEMENT LEVEL	NARRATIVE
0	WLP 3150	KY23-004	Phoradendron leucarpum (Raf.) Reveal & M. C. Johnst.	Kentucky, United States	Historic	2023	COLLECTED	09/08/2023	Warbler Ridge Preserve, Pine Mountain	36.96952003, -83.07977751	782	Rock outcrop, growing on Nyssa sylvatica. Elevation: 2567 feet. Aspect: Southeast.	Wild material		2158694	WLP 3150
1	W6 52734	NV052-601	Phoradendron californicum Nutt.	Nevada, United States	Historic	2017							Wild material	Inactivated	1949055	W6 52734
2	W6 42289	PSSL-397	Phoradendron juniperinum A. Gray	United States	Historic	2011							Wild material	Inactivated Zero germination	1889640	W6 42289

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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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