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

Sydenham Edwards (English, 1768-1819)

Willem van Konijnenburg (Dutch, 1868-1943)

Pierre Joseph Redouté (French, 1759-1840)

Hans Walty (Swiss, 1868-1948)

Mary Vaux Walcott (American, 1860-1940)

George De Alwis (Sri Lankan, ?-1887)

Anne Allen (French, active 1790s)

Louis Antoine Cusin (French, 1824-1901)

Jane Elizabeth Giraud (English, 1810-1868)

Sarah Featon (New Zealander, 1848 – 1927)

Charles Frederick Millspaugh (American, 1854 – 1923)
![Arnica [Oldenburgia grandis]](https://mdl.artvee.com/ft/50073pl.jpg)
Clemenz Heinrich Wehdemann (German, 1762 - 1835)

William Jackson Hooker (English, 1785 – 1865)

Johann Wilhelm Weinmann (German, 1683-1741)

João Barbosa Rodrigues (Brazilian, 1842 – 1909)

Mary Vaux Walcott (American, 1860-1940)
![Zamia caffra [Encephalartos altensteinii female cone]](https://mdl.artvee.com/ft/50119pl.jpg)
Clemenz Heinrich Wehdemann (German, 1762 - 1835)

Deborah Griscom Passmore (American, 1840–1911)

Arentina Hendrica Arendsen (Dutch, 1836 - 1915)

Louis Antoine Cusin (French, 1824-1901)

Anna Atkins (English, 1799 – 1871)

Louis Antoine Cusin (French, 1824-1901)

William Jackson Hooker (English, 1785 – 1865)

Robert John Thornton (English, 1768-1837)