1. Chicago Botanic Garden, Glencoe, Illinois
2. East Carolina University's Department of Biology, Greenville, North Carolina
3. Department of Community Ecology, Helmholtz Centre for Environmental Research—UFZ, Halle, Germany
4. Institute of Biology, Martin Luther University Halle–Wittenberg, Halle
5. German Centre for Integrative Biodiversity Research (iDiv) Halle–Jena–Leipzig, Leipzig, Germany