Peter Gutte: Geobotanist and  Author of the „Flora of the City  of Leipzig“, Expert on neophytes  / Geobotaniker und Autor der  „Flora der Stadt Leipzig“,  Neophytenexperte

Transplantations - Peter Gutte

Karl Heyde: working botanist at the Natural History Museum Leipzig with  a research focus on evening primeroses / Botaniker am Naturkundemuseum  Leipzig mit dem Forschungsschwerpunkt Nachtkerzen

Transplantations - Karl Heyde

Jeremiah Kitunda: Environmental  Historian at the Appalachian State  University, North Carolina US and  Author of „A History of the Water  Hyacinth in Africa“ / Umwelthistoriker  an der Appalachian State University,  North Carolina US und Autor von  „A History of the Water Hyacinth  in Africa“

Marcus Held