1. Department of Biology Duke University 130 Science Drive Durham NC 27708 USA
2. North Florida Research and Education Center University of Florida 155 Research Road Quincy FL 32351 USA
3. Biodiversity Research Center Academia Sinica 128 Academia Road, Section 2 Taipei 11529 Taiwan
4. Soil and Water Sciences Department University of Florida 1692 McCarty Drive Gainesville FL 32611 USA
5. School of Plant Sciences and Department of Ecology and Evolutionary Biology University of Arizona 1140 E. South Campus Drive Tucson AZ 85721 USA
6. Department of Ecology and Evolutionary Biology University of Tennessee 1416 Circle Drive Knoxville TN 37996 USA
7. Department of Agronomy National Taiwan University No. 1, Section 4, Roosevelt Road Taipei 10617 Taiwan