
Thaddeus Welch (American, 1844-1919)

Frederick Sander (German, 1847 – 1920)

George De Alwis (Sri Lankan, ?-1887)

Mary Vaux Walcott (American, 1860-1940)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)

George De Alwis (Sri Lankan, ?-1887)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
![Melissa Turcica … [and] Arnica officinalis](https://mdl.artvee.com/ft/67903pl.jpg)
Petr Martynovich Gofman (Russian, 19th Century)

Carel Adolph Lion Cachet (Dutch, 1864 – 1945)

S. Fred Prince (American, 1857-1949)

Anna Atkins (English, 1799 – 1871)

Herman Henstenburgh (Dutch, 1667-1726)

Amanda Almira Newton (American, 1860-1943)

François Hérincq (French, 1820 – 1891)

Jacob George Strutt (English, 1784 – 1867)

Hans Thoma (German, 1839-1924)

Anonymous

Charles Antoine Lemaire (French, 1800-1871)

Christian Gottlieb Ludwig (German, 1709 – 1773)

Deborah Griscom Passmore (American, 1840–1911)

Mary Vaux Walcott (American, 1860-1940)

Jean Jacques Lequeu (French, 1757-1826)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)

Mary Vaux Walcott (American, 1860-1940)

Jean Jules Linden (Belgian, 1817-1898)

Robert John Thornton (English, 1768-1837)

Louis Antoine Cusin (French, 1824-1901)

Heinrich Wilhelm Schott (Austrian, 1794 – 1865)