- Metz, G.E.8
- Montagne, Jean Francois Camille, 1784-18668
- Sprague, Charles James8
- Clemson, Thomas Green, 1807-18887
- Farlow, William Gilson, 1844-19197
- Hooker, Joseph Dalton, 1817-19117
- Caradeuc, A. de.6
- Lojka, Hugo, 1845-18876
- Summer, A. G.6
- Wingate, Harold6
- Berkeley, Miles Joseph, 1803-18895
- Caruel, Teodoro5
- Dawson, Frances W.5
- Elwyn, A. L.5
- Engelmann, George, 1809-18845
- Fries, Elias, 1794-18785
- Gerard, William R.5
- Gibbes, Lewis Reeves, 1810-18945
- Harvey, William Henry, 1811-18665
- Huger, Benjamin5