1848
Rehder, Alfred
Hughes
1840 – 1842
1847
Grandville, J. J., 1803-1847.
1843
Torrey, John
1849
Fries, Eliae
1829 – 1840
Siebold, Ph. Fr. De
19th century
1840
Burnett, M. A.
Humboldt, Alexander von, 1769-1859.
1842
Walpers, Guilielmo Gerardo
1844 – 1845
1844
1845 – 1846
1846 – 1847
1848 – 1849
Calame, Alexandre