TY - BOOK TI - The varieties of plums derived from native American species VL - no.172 (1915) UR - https://www.biodiversitylibrary.org/item/56331 PB - U.S. Dept. of Agriculture CY - Washington, D.C PY - 1915 N1 - Caption title. --- Contribution from the Bureau of Plant Industry. AU - Wight, W. F. (William Franklin), KW - Plum KW - United States KW - Varieties ER -