1. Institute of Biology Martin Luther University Halle‐Wittenberg Am Kirchtor 1 06108 Halle Germany
2. Department Community Ecology Helmholtz Centre for Environmental Research – UFZ Theodor‐Lieser‐Straße 4 06120 Halle Germany
3. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Deutscher Platz 5e 04103 Leipzig Germany
4. Department of Biological Sciences University of Pittsburgh Pittsburgh PA15260 USA
5. Department of Biology Case Western Reserve University Cleveland OH44106‐7080 USA
6. Department of Plant Biology, Ecology, and Evolution Oklahoma State University Stillwater OK74078 USA