Image from Wikimedia Commons
Victorcouto - Public Domain
unknown - Public Domain
Public Domain
Smithsonian Institution -
Florenus - Public Domain
Joker Island - Public Domain
Dan Lundberg - CC BY-SA 2.0
Georges Biard - CC BY-SA 3.0
Unknown author - Public Domain
Jholland14226 - CC BY-SA 4.0
Image from Herbals (1912), author Agnes Arber - Public Domain
Gate220 - CC BY-SA 3.0
Image from Wikimedia Commons
Victorcouto - Public Domain
Sena, Jorge de
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unknown - Public Domain
Březina, Otokar, 1868-1929
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Public Domain
Desai, Morarji, 1896-1995
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Jowett, F. W. (Frederick William), 1864-1944
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Clifford, Edward, 1844-1907
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unknown - Public Domain
Murphy, Isaac, 1799-1882
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Smithsonian Institution -
Brodkorb, Pierce, 1908-1992
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Rush, Richard, 1930-
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Velden, Petrus van der, 1837-1913
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Florenus - Public Domain
Belkin, Boris
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Joker Island - Public Domain
Pardubic, Arnošt z, 1297-1364
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Burkett, E. J. (Elmer Jacob), 1867-1935
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Kraus, Milton, 1866-1942
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Baughman, U. E. (Urbanus Edmund), 1905-
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unknown - Public Domain
Rideout, Henry Milner, 1877-1927
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Kopp, Wendy
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Dan Lundberg - CC BY-SA 2.0
Button, Dick, 1929-
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Taylor, Don, 1920-1998.
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unknown - Public Domain
Webb, Mary, 1881-1927
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Georges Biard - CC BY-SA 3.0
Demongeot, Mylène, 1936-
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Unknown author - Public Domain
Costa, Alexandrina Maria da 1904-1955
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unknown - Public Domain
Scheve, Theodor von
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unknown - Public Domain
McDaniel, Henry D. (Henry Dickerson), 1836-1926
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Jholland14226 - CC BY-SA 4.0
Holland, Norman Norwood, 1927-....
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Image from Herbals (1912), author Agnes Arber - Public Domain
L'Obel, Matthias de 1538-1616
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Böhm-Bawerk, Eugen von, 1851-1914
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Gate220 - CC BY-SA 3.0
Ortiz, Francis V. (Francis Vincent), 1926-2005
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Public Domain
Holman, Rufus C. (Rufus Cecil), 1877-1959
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Schlumberger, Jean, 1877-1968
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unknown - Public Domain
Loy, Nanni