Citation
Unknown. “Mr. Swingle crossing the Dancey tangerine with pollen of the Bowen grapefruit in March, 1897, at Eustis, Fla. The Sampson tangelo, first one made, resulted from this cross..” Special Collections, USDA National Agricultural Library. Accessed October 15, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/296.