1. The George Washington University, Department of Biological Sciences, 2023 G St. NW, Suite 340, Washington, District of Columbia 20052‐0086 USA
2. University of Louisiana at Lafayette, Department of Biology, P.O. Box 42451, 300 East St. Mary Blvd., Lafayette, Louisiana 70504 USA
3. Graduate Group in Ecology, University of California, Davis, 1005 Wickson Hall, One Shields Avenue, Davis, California 95616 USA
4. Department of Biology, Eastern Washington University, 234‐C Science Building Cheney, Washington 99004‐2440 USA
5. Oklahoma State University, Department of Botany, 301 Physical Science, Stillwater, Oklahoma 74078‐3013 USA