| Verfasser | Häufigkeit |
| Barneby, Rupert C. 1911-2000 |
1 |
| Cronquist, Arthur 1919-1992 |
1 |
| Dumont, Kent P. |
1 |
| Giannasi, David E. |
1 |
| Holmgren, Noel H. 1937- |
1 |
| Holmgren, Patricia K. 1940- |
1 |
| Irwin, Howard S. |
1 |
| Koyama, Tetsuo 1935- |
1 |
| Luteyn, James L. 1948- |
1 |
| Maguire, Bassett 1904-1991 |
1 |
| Michel, John T. |
1 |
| Mori, Scott A. 1941- |
1 |
| Niklas, Karl J. 1948- |
1 |
| Prance, Ghillean Tolmie 1937- |
1 |
| Rogerson, Clark T. |
1 |
| Steere, William Campbell 1907-1989 |
1 |