![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)

Priscilla Susan Bury (English, 1799 – 1872)

William Roxburgh (Scottish, 1751 – 1815)

Magdelena Rosina Funck (German, 1672–1695)

Friedrich Berge (German, 1811-1883)

Henri-Louis Duhamel du Monceau (French, 1700-1782)

Royal Charles Steadman (American, 1875 – 1964)

Bertha Jaques (American, 1863 – 1941)

Mary Vaux Walcott (American, 1860-1940)

Sebastian Kneipp (German, 1821 – 1897)

Deborah Griscom Passmore (American, 1840–1911)

Elisabeth Geertruida van de Kasteele (Dutch, 1818-1853)

Charles Antoine Lemaire (French, 1800-1871)

Charles Frederick Millspaugh (American, 1854 – 1923)

Elizabeth Blackwell (Scottish, 1707–1758)

Edward Step (English, 1855-1931)

Walter Hood Fitch (Scottish, 1817 – 1892)

Charles Frederick Millspaugh (American, 1854 – 1923)

James Bateman (English, 1811 – 1897)

Hans Walty (Swiss, 1868-1948)

Louis Antoine Cusin (French, 1824-1901)

Magdelena Rosina Funck (German, 1672–1695)

Edward Step (English, 1855-1931)

Robert John Thornton (English, 1768-1837)

Magdelena Rosina Funck (German, 1672–1695)