Career
He is regarded as an exceptionally experienced orchidologist, and has published orchid floras of Cyprus, Turkey, Rhodes, Netherlands and Germany, and is currently preparing a major overview in ten volumes of all Orchid taxa in Europe, North Africa and the Middle East, employing modern taxonomy, nomenclature and research techniques. Kreutz has published over 200 scientific papers, and is the scientific authority for over four hundred plant taxa, predominantly in the Orchidaceae, but also in the genus Orobanche.
