Plant inventory : plant material introduced
Agricultural Research Center-West (U.S .), United States Division of Botany , United States Dept . of Agriculture . Section of Seed and Plant Introduction , Horticultural Crops Research Branch , Agricultural Research Service, United States Dept. of Agriculture , United States Bureau of Plant Industry . Division of Plant Exploration and Introduction, United States Agricultural Research Service. New Crops Research Branch , United States, Md Agricultural Research Center (Beltsville , United States Bureau of Plant Industry , Agricultural Research Center-West (U.S .). Northeastern Region , United States Agricultural Research Service. Section of Plant Introduction , Northeastern Region , United States Agricultural Research Service, United States Science and Education Administration. Federal Research