ID:DA07645183
United States. Dept. of Agriculture. Division of Botany
United States. Botany, Division of
United States. Botanical Division
United States. Dept. of Agriculture. Botanical Division
United States. Bureau of Plant Industry
United States. Office of Fiber Investigations
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by Perley Spaulding
G.P.O. 1911 Bulletin / U. S. Dept. of Agriculture. Bureau of Plant Industry no. 206
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by A.J. Pieters and Vera K. Charles
Government Printing Office 1901 Bulletin / U.S. Department of Agriculture, Division of Botany no. 29
by O.F. Cook
Government Printing Office 1901 Bulletin / U.S. Department of Agriculture, Division of Botany no. 28
by G.N. Collins
Government Printing Office 1901 Bulletin / U.S. Department of Agriculture, Division of Botany no. 27
by V.K. Chesnut and E.V. Wilcox
Government Printing Office 1901 Bulletin / U.S. Department of Agriculture, Division of Botany no. 26
Government Printing Office 1901 Contributions from the United States National Herbarium v. 7, no. 2
U.S. Department of Agriculture, Division of Botany
U.S. Dept. of Agriculture, Division of Botany [1898?]-1942
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Department of Agriculture, Botanical Division
G.P.O. 1886-
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Division of Botany, United States Department of Agriculture