1. Department of Ecology and Evolutionary Biology University of Connecticut Storrs CT 06269 USA
2. Faculty of Forestry Southwest Forestry University Kunming 650224 China
3. Institute of Chinese Materia Medica China Academy of Chinese Medical Sciences Beijing 100700 China
4. Department of Biology University of Washington Seattle WA 98195 USA
5. Institute for Systems Genomics University of Connecticut Storrs CT 06269 USA