| NAME | ROLE | COUNTRY | E_MAIL |
| Brülhart, Mrs. E. (Elke) | Member ENA Working Group | Switzerland | |
| Di Primio, Mr. L. (Luigi) | Member ENA Working Group | Italy | |
| Falkowski, Mr. G. | Member ENA Working Group | Poland | |
| Houtman, Mr. R. (Ronald) | Member ENA Working Group | Netherlands | |
| Pagès, Mr. J.M. (Josep Maria) | Member ENA Working Group | Spain | |
| Szydlo, Dr. W. | Member ENA Working Group | Poland | |
| Weber, Mr. H.-R. | Member ENA Working Group | Switzerland | |
| Bengtson, Mr. J. (Jonas) | Perennial Plantnames Working Group ISU | Sweden | |
| Emmet, Mr. M. (Martin) | Perennial Plantnames Working Group ISU | United Kingdom | |
| Haussermann, Mr. M. (Martin) | Perennial Plantnames Working Group ISU | Germany | |
| Hokema, Mr. J. (Jakob) | Perennial Plantnames Working Group ISU | Germany | |
| Kirschenlohr, Mr. Andreas | Perennial Plantnames Working Group ISU | Germany | |
| Knickmann, Mr. J. (Jürgen) | Perennial Plantnames Working Group ISU | Austria | |
| Pöppel, Mr. E. (Eckehard) | Perennial Plantnames Working Group ISU | Germany | |
| Rijbeek, Mr. A.. (Arno) | Perennial Plantnames Working Group ISU | Netherlands | |
| Zonneveld, Mr. O. (Onno) | Perennial Plantnames Working Group ISU | Netherlands | |
| Hoffman, Mr. M. (Marco) | Secretary ENA & ISU Working Group | Netherlands | plantnames@naktuinbouw.nl |
| Aldén, Mr. B. (Björn) | Taxonomical Advice | Sweden | |
| David, Mr. J. (John) | Taxonomical Advice | United Kingdom | |