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Plant Inventory, U.S. Department of Agriculture

The Plant Inventory is a periodical produced from 1898 to the present of plant material introduced into the U.S. National Plant Germplasm System. This publication is the official listing of plant materials obtained by and accepted into the U.S. National Plant Germplasm System coordinated by Agricultural Research Service, USDA. The inventory, published quarterly from 1903 through 1941 and annually since 1942, is comprised of listings of the plant materials.