| Nom complet | Nom | Spécimen(s) |
|---|---|---|
| C.E.G. Tutin | Tutin | 4 |
| Unknown | Unknown | 2 |
| J.L.C.H. van Valkenburg | Valkenburg | 729 |
| A.A. Walker | Walker | 4 |
| G.M. Walters | Walters | 443 |
| L.J.T. White | White | 252 |
| L.J.T. White (series 1) | White (series 1) | 12 |
| J.J. Wieringa | Wieringa | 3703 |
| J.J.F.E. de Wilde | Wilde | 2032 |
| J.J.F.E. de Wilde (WALKB-series) | Wilde (WALK-B) | 793 |
| C.M. Wilks | Wilks | 1360 |
| G.A. Zenker | Zenker | 1 |