Pyrus calleryana. Dwarf wild Calleryana pears. neg. No. 13267.

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Citation

Unknown. 1917. “Pyrus calleryana. Dwarf wild Calleryana pears. neg. No. 13267. .” Special Collections, USDA National Agricultural Library. Accessed November 28, 2022, https://www.nal.usda.gov/exhibits/speccoll/items/show/520.