
Paul de Longpre (French, 1855-1911)

Louis Antoine Cusin (French, 1824-1901)

Willem van Leen (Dutch, 1753 – 1825)

Mary Vaux Walcott (American, 1860-1940)

Ellen Isham Schutt (American, 1873 – 1955)

Elias van Nijmegen (Dutch, 1667 - 1755)

Elizabeth Blackwell (Scottish, 1707–1758)

Louis Antoine Cusin (French, 1824-1901)

Maria Sibylla Merian (German, 1647 – 1717)

Mary Vaux Walcott (American, 1860-1940)

Christian Gottlieb Ludwig (German, 1709 – 1773)

Pierre Joseph Buchoz (French, 1731-1807)

Hans Walty (Swiss, 1868-1948)

Mary Vaux Walcott (American, 1860-1940)

Lorenz Oken (German, 1779 – 1851)
![Ceropegia or Echites [Pachypodium succulentum]](https://mdl.artvee.com/ft/50081pl.jpg)
Clemenz Heinrich Wehdemann (German, 1762 - 1835)

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

Mary Vaux Walcott (American, 1860-1940)

Amanda Almira Newton (American, 1860-1943)

Lorenz Oken (German, 1779 – 1851)

Lorenzo Berlèse (Italian, 1784-1863)

Robert John Thornton (English, 1768-1837)

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

Deborah Griscom Passmore (American, 1840–1911)

Robert John Thornton (English, 1768-1837)

Georg Dionysius Ehret (German, 1708-1770)

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

Walter Hood Fitch (Scottish, 1817 – 1892)