1. Boyce Thompson Institute Ithaca NY USA
2. Philippine Genome Center, Program for Agriculture, Livestock, Forestry and Fisheries Univ. of the Phillipines Los Baños Laguna Phillipines
3. School of Biological Sciences Univ. of Nebraska Lincoln NE USA
4. Current address: Checkerspot, Inc. Alameda CA USA
5. Plant Biology Section Cornell Univ. Ithaca NY USA
6. Dep. of Ecology and Evolutionary Biology Univ. of Colorado Boulder CO USA