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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	SOURCE TYPE	COLLECTION SITE	ELEVATION	IMPROVEMENT LEVEL	NARRATIVE
0	PI 320396	Col. No. K-92	Diplazium grammitoides C. Presl	Gangwon-do, Korea, South		Historic	1967	COLLECTED	Rocky ledges along trail on Mt. Odai	780			1712569	PI 320396
1	NA 71603	NA 71603	Diplazium pycnocarpon (Spreng.) M. Broun		NA	Not Available	2023				Uncertain improvement status	Full name as recorded at U.S. National Arboretum: Diplazium pycnocarpon. Old plants found growing in Fern Valley	2149017	NA 71603
2	NA 57800	NA 57800	Diplazium pycnocarpon (Spreng.) M. Broun		NA	Not Available	1986				Cultivated material	Full name as recorded at U.S. National Arboretum: Diplazium pycnocarpon.	2146375	NA 57800

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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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