Tasks and Research Fields:

• Invasive Alien Species
• German „Action Programme Ambrosia“
• Co-ordinator (with Dr. Arnd Verschwele) EU-Project „HALT AMBROSIA“ 2011- 2014

Memberships:

• EPPO Panel on Invasive Alien Species
• EFSA Expert Working Group Ambrosia in Feed
• International Ragweed Society (Vice President)
• IPPC Expert Working Group for Pest risk analysis for plants as quarantine pests (Chair 2009)
• Botanical Society of Berlin and Brandenburg (Advisory Board Member)
• Ecological Society of Germany, Austria and Switzerland (GfÖ)
• Floristisch-Soziologische Arbeitsgemeinschaft – FlorSoz (Floristic and phytosociological Association)
• NEOBIOTA (Founder, Editor of the Publication Series with Ingo Kowarik 2000-2008 and scientific Secretary. Since 2011 Founding editor and Associate Editor of the Journal NeoBiota)

Profil at:

• ResearchGate
• Publons
• ORCID

Publications in the Julius Kühn-Institut