
Edward Step (English, 1855-1931)

Sydenham Edwards (English, 1768-1819)

Etienne Denisse (French, 1785–1861)

Royal Charles Steadman (American, 1875 – 1964)

Elizabeth Blackwell (Scottish, 1707–1758)

Charlotte Mary Yonge (English, 1823 – 1901)

Parmanns Læremiddel-anstalt (Norwegian, 19th/20th century)

Dirck de Bray (Dutch, 1635 – 1694)

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

Edward Step (English, 1855-1931)

Christian Gottlieb Ludwig (German, 1709 – 1773)

Ellen Isham Schutt (American, 1873 – 1955)

Arentina Hendrica Arendsen (Dutch, 1836 - 1915)

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

Alfred Ost (Belgian, 1884 – 1945)

Charles Antoine Lemaire (French, 1800-1871)

Mary Vaux Walcott (American, 1860-1940)

Hans Walty (Swiss, 1868-1948)

Mary Daisy Arnold (American, 1873 – 1955)

Frederick Sander (German, 1847 – 1920)

Elsie E. Lower (American, 1882-1971)

Henriette Sjöberg (Swedish, 1842-1915)
![Amarillis [Boophone disticha]](https://mdl.artvee.com/ft/50070pl.jpg)
Clemenz Heinrich Wehdemann (German, 1762 - 1835)

Pierre Joseph Buchoz (French, 1731-1807)

Mary Lawrance (English, 1776 - 1831)

Yasuyoshi Shirasawa (Japanese, 1868-1947)
![Convolvulus [Ipomoea oenotheroides]](https://mdl.artvee.com/ft/50084pl.jpg)
Clemenz Heinrich Wehdemann (German, 1762 - 1835)

Mary Vaux Walcott (American, 1860-1940)