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Plant collections
Potatoes
The U.S. Potato Genebank at the Peninsular Research Station just north of Sturgeon Bay is the world's second largest living collection of wild potatoes with 65 wild species in 2010. Altogether in 2010 it held 5,277 total collections, the fifth highest number of total collections worldwide and accounting for a little over 5% of the total worldwide. During fiscal year 2019, 10,042 samples from the collection were distributed to academics and businesses with 6,659 distributed domestically and 3,383 exported to other nations. Grapes, orchard trees, and field crops are also grown at the research station.
Garden plants
A master gardeners association operates a one-acre botanical garden on the Peninsular Research Station grounds with about 350 varieties of plants.