Education
Foreign many years he studied the East German lake Stechlinsee as well as the river Saale.
Foreign many years he studied the East German lake Stechlinsee as well as the river Saale.
Together with Heinz-Dieter Krausch he has published a basic reference work on the sweet-water flora of central Europe. In 1966 he published a monograph of the genus Pinguicula, a work that is still in use today. He has described at least 14 new species, most recently Pinguicula lippoldii and Pinguicula toldensis in 2007.
He has served as head of the Botanical Garden of the Friedrich Schiller University of Jena and since 1990 has been a member of the "Akademie Gemeinnütziger Wissenschaften" in Erfurt.