Stiftung Preußischer Kulturbesitz
Europe : Germany
- Europe : Italy
- Europe : France (Paris Île-de-France)
- America : United States (Pacific)
- Stanford UniversityAmerica : United States (Pacific)
- European Biodiversity PartnershipEuropean Union
- Biodiversité OccitanieEurope : France (South-East)
- Europe : United Kingdom
- University of BirminghamEurope : United Kingdom
- University of Nevada, Las VegasAmerica : United States (Pacific)
- Europe : France (Paris Île-de-France)
- University of OxfordEurope : United Kingdom