Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Walter Hood Fitch (Scottish, 1817 – 1892)
Louis Antoine Cusin (French, 1824-1901)
Charles Antoine Lemaire (French, 1800-1871)
Pieter Gevers (Dutch, 18th Century)
William Jackson Hooker (English, 1785 – 1865)
Pierre Joseph Redouté (French, 1759-1840)
Sebastian Kneipp (German, 1821 – 1897)