| Authors |
| Karol Marhold (Bratislava); except: |
| Boschniakia, Cistanche, Necranthus, Orobanche, Phelipanche, Phelypaea: Gianniantonio Domina (Palermo) & Eckhard von Raab-Straube (Berlin) |
| Editorial assistance |
| Janka Smatanová, Dušan Senko (Bratislava) |
| Taxonomic advice |
| Luis Carlón, Stefan Rätzel, Holger Uhlich(Orobanche; Phelipanche) |
| Regional Advisers |
| Domenico Lucarini (Camerino); Italy; bibliography |