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SpringerLink (Online service)
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United States. Bureau of Plant Industry
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United States. Office of Experiment Stations
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Smithsonian Institution
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United States National Museum
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Herz, W.
42 results
Kirby, G. W.
41 results
Bajaj, Y. P. S.
37 results
Ray, John, 1627-1705
36 results
Gray, Asa, 1810-1888
33 results
NetLibrary, Inc
31 results
United States. Department of Agriculture. Library
27 results
United States. Department of Agriculture
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Tamm, Ch
25 results
New York Botanical Garden
23 results
Grisebach, H.
21 results
Standley, Paul Carpenter, 1884-1963
21 results
Dodoens, Rembert, 1517-1585
20 results
Kole, Chittaranjan
19 results
Linné, Carl von, 1707-1778
19 results
Geological Survey (U.S.)
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Hooker, William Jackson, Sir, 1785-1865
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Moore, R. E.
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Tournefort, Joseph Pitton de, 1656-1708
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Esser, Karl
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Hooker, Joseph Dalton, 1817-1911
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Miller, Philip, 1691-1771
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Jackson, John F.
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Weber, William A. (William Alfred), 1918-
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Coulter, John Merle, 1851-1928
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EBSCOhost
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Linskens, Hans Ferdinand
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Lüttge, Ulrich
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Merrill, Elmer D. (Elmer Drew), 1876-1956
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Mohlenbrock, Robert H., 1931-
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Steglich, W.
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Behnke, H.-Dietmar
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Candolle, Augustin Pyramus de, 1778-1841
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Fosberg, F. Raymond (Francis Raymond), 1908-1993
13 results
Jain, S. Mohan
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Millspaugh, Charles Frederick, 1854-1923
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Missouri Botanical Garden
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Runge, Michael
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Sachet, Marie-Hélène
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Smith, James Edward, 1759-1828
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Torrey, John, 1796-1873
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Varma, Ajit
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Kubitzki, Klaus
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