
Maria Sibylla Merian (German, 1647 – 1717)

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

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

Elizabeth Blackwell (Scottish, 1707–1758)

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

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

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

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

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

Mary Vaux Walcott (American, 1860-1940)

William Jackson Hooker (English, 1785 – 1865)
![Castagna marrona. [Castanea sativa ; Spanish chestnut]](https://mdl.artvee.com/ft/50144pl.jpg)
Giorgio Gallesio (Italian, 1772-1839)

Ellen Isham Schutt (American, 1873 – 1955)

Bertha Jaques (American, 1863 – 1941)

Mary Vaux Walcott (American, 1860-1940)

Charles Antoine Lemaire (French, 1800-1871)

Jean Jules Linden (Belgian, 1817-1898)

Frederick Sander (German, 1847 – 1920)

Jean Jules Linden (Belgian, 1817-1898)

William Jackson Hooker (English, 1785 – 1865)

Jean Jules Linden (Belgian, 1817-1898)

Jean Jules Linden (Belgian, 1817-1898)

James Bateman (English, 1811 – 1897)

Jean Jules Linden (Belgian, 1817-1898)

William Jackson Hooker (English, 1785 – 1865)

Jean Jules Linden (Belgian, 1817-1898)

William Jackson Hooker (English, 1785 – 1865)

William Jackson Hooker (English, 1785 – 1865)

Charles Antoine Lemaire (French, 1800-1871)

Edward Step (English, 1855-1931)