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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	OPGC 8766	NM080-308	Asclepias subverticillata (A. Gray) Vail	New Mexico, United States	OPGC	2023	Wild material	Perennial forb with whorled, filiform leaves. Growing erect up to 3 ft tall. Inflorescence is an umbel of white flowers, and fruit is an erect follicle that goes from green to dark brown.	2142118	OPGC 8766
1	Ames 35679	NM050-16	Helianthus annuus L.	New Mexico, United States	NC7	2020	Wild material		2104973	Ames 35679
2	W6 57670	NM050-11	Sporobolus wrightii Munro ex Scribn.	New Mexico, United States	W6	2020	Wild material	SOS 92nd Shipment	2104968	W6 57670
3	OPGC 7539	NM080-211	Heterotheca subaxillaris (Lam.) Britton & Rusby	New Mexico, United States	OPGC	2019	Wild material		2096975	OPGC 7539
4	W6 57027	NM080-209	Sporobolus contractus Hitchc.	New Mexico, United States	W6	2019	Wild material		2096974	W6 57027

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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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