Walter Hood Fitch (Scottish, 1817 – 1892)
François Hérincq (French, 1820 – 1891)
Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Sydenham Edwards (English, 1768-1819)
Sebastian Kneipp (German, 1821 – 1897)
William Henry Prestele (American, 1838 – 1895)
Charles Antoine Lemaire (French, 1800-1871)
Margaret Armstrong (American, 1867-1944)
Jane Elizabeth Giraud (English, 1810-1868)
Deborah Griscom Passmore (American, 1840–1911)
John Lindley (English, 1799 – 1865)
Jean Jules Linden (Belgian, 1817-1898)
Lorenzo Berlèse (Italian, 1784-1863)
Charles Antoine Lemaire (French, 1800-1871)
Jan Weissenbruch (Dutch, 1822-1880)
Louis Antoine Cusin (French, 1824-1901)
Charles Antoine Lemaire (French, 1800-1871)
Louis Antoine Cusin (French, 1824-1901)
Charles Antoine Lemaire (French, 1800-1871)
Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Robert Jacob Gordon (Dutch, 1743 – 1795)
Amanda Almira Newton (American, 1860-1943)
James Bateman (English, 1811 – 1897)
Johann Wilhelm Weinmann (German, 1683-1741)
Robert John Thornton (English, 1768-1837)
Jean Jules Linden (Belgian, 1817-1898)
Charles Frederick Millspaugh (American, 1854 – 1923)