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Alexander von Humboldt (German, 1769 – 1859)
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Edward Step (English, 1855-1931)
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George De Alwis (Sri Lankan, ?-1887)
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George De Alwis (Sri Lankan, ?-1887)
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Jane Elizabeth Giraud (English, 1810-1868)
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Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
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Heinrich Wilhelm Schott (Austrian, 1794 – 1865)
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Pierre Joseph Buchoz (French, 1731-1807)
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Yasuyoshi Shirasawa (Japanese, 1868-1947)
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Giorgio Bonelli (Italian, 1742-1782)
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William Jackson Hooker (English, 1785 – 1865)
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William Jackson Hooker (English, 1785 – 1865)
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Elizabeth Blackwell (Scottish, 1707–1758)
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Sarah Featon (New Zealander, 1848 – 1927)
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Johanna Fosie (Danish, 1726 – 1764)
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Heinrich Wilhelm Schott (Austrian, 1794 – 1865)
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Charles Frederick Millspaugh (American, 1854 – 1923)
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Sydenham Edwards (English, 1768-1819)
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Mary Vaux Walcott (American, 1860-1940)
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Mary Vaux Walcott (American, 1860-1940)
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Robert Jacob Gordon (Dutch, 1743 – 1795)
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Charles Antoine Lemaire (French, 1800-1871)
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Anna Atkins (English, 1799 – 1871)
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Mary Vaux Walcott (American, 1860-1940)
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Anna Atkins (English, 1799 – 1871)
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Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
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Johann Wilhelm Weinmann (German, 1683-1741)