Givaudan Citrus Variety Collection at UCR

Welcome and thank you for visiting the UCR Citrus Variety Collection website! Here you will find information on more than 1,000 different varieties of citrus and citrus relatives residing in one of the leading citrus germplasm collections in the world.

Citrus Varieties

Today, with approximately 4,500 trees of nearly 1100 cultivars and species of citrus and related taxa, the CVC is one of the most extensive collections of citrus diversity in the world. This collection includes both commercial and historic citrus cultivars as well as other genera and species in the Aurantioideae subfamily of the Rutaceae.

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Latest News

March 01, 2024

More than garden variety

Long before it was a university, UCR has its roots as the Citrus Experiment Station, first established at the base of Riverside’s Mt. Rubidoux by the UC Board of Regents in 1907. Soon after, USDA researchers and experiment station staff...

You, too, can grow California’s oldest living orange variety

The 1000th tree okayed for growing by California’s Citrus Clonal Protection Program happens to be the oldest living orange variety in the state. The program, housed at UC Riverside, is the first of its kind in the world. It began...

Researchers find peptide that treats, prevents killer citrus disease

New research affirms a unique peptide found in an Australian plant can destroy the No. 1 killer of citrus trees worldwide and help prevent infection. Huanglongbing, HLB, or citrus greening has multiple names, but one ultimate result: bitter and worthless...

Research Projects

The Givaudan Citrus Variety Collection is a resource for research and outreach activities as it has been since the collection was first established in 1910. Learn more about recent and current research projects utilizing the collection.

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Give to Citrus Variety Collection

Your support enables us to continue to preserve and expand upon over 100 years of history, research, and conservation. Learn more about how you can make a difference.

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