
Josephus Augustus Knip (Dutch, 1777-1847)

Edward Step (English, 1855-1931)

Elizabeth Blackwell (Scottish, 1707–1758)

John Lindley (English, 1799 – 1865)

Carl Hoffmann (German, 1802-1883)

Pierre Joseph Buchoz (French, 1731-1807)

Mary Vaux Walcott (American, 1860-1940)

Gaetano Savi (Italian, 1769 – 1844)

Louis Antoine Cusin (French, 1824-1901)

Sydenham Edwards (English, 1768-1819)

João Barbosa Rodrigues (Brazilian, 1842 – 1909)
![Nymphaea coerulea [Nymphaea nouchali]](https://mdl.artvee.com/ft/50103pl.jpg)
Clemenz Heinrich Wehdemann (German, 1762 - 1835)

Sydenham Edwards (English, 1768-1819)

Mary Vaux Walcott (American, 1860-1940)

Deborah Griscom Passmore (American, 1840–1911)

Louis Antoine Cusin (French, 1824-1901)

Anna Atkins (English, 1799 – 1871)

James Andrews (English, 1801–1876)

Fidelia Bridges (American, 1834-1923)

Charlotte Mary Yonge (English, 1823 – 1901)

Carl Hoffmann (German, 1802-1883)

Deborah Griscom Passmore (American, 1840–1911)

William Jackson Hooker (English, 1785 – 1865)

Ellen Isham Schutt (American, 1873 – 1955)

Georges Lemmen (Belgian, 1865-1916)

Carl Hoffmann (German, 1802-1883)

Mary Vaux Walcott (American, 1860-1940)

Charles Empson (English, 1794-1861)

Alexander von Humboldt (German, 1769 – 1859)