[1] Johns Hopkins Univ, Dept Earth & Planetary Sci, Baltimore, MD 21218 USA
[2] Fred Hutchinson Canc Ctr, Dept Biostat, Seattle, WA USA
[3] Ohio Univ, Dept Biol Sci, Athens, OH USA
[4] Univ Georgia, Dept Genet, Athens, GA USA
[5] MIT, Dept Civil & Environm Engn, Cambridge, MA USA
[6] Indiana Univ, Dept Biol, Bloomington, IN USA
[7] Montana State Univ, Dept Ecol, Bozeman, MT USA
[8] Univ Michigan, Dept Ecol & Evolutionary Biol, Ann Arbor, MI USA
[9] Univ British Columbia, Dept Bot, Vancouver, BC, Canada
[10] Michigan State Univ, Dept Plant Biol, E Lansing, MI USA
[11] Texas Tech Univ, Dept Biol Sci, Lubbock, TX USA
[12] Univ New Mexico, Dept Biol, Albuquerque, NM USA
[13] Penn State Univ, Dept Biol, University Pk, PA USA
[14] New Mexico State Univ, Dept Plant & Environm Sci, Jornada Basin LTER Program, Las Cruces, NM USA
[15] Fordham Univ, Dept Biol Sci, New York, NY USA
[16] Univ Texas Austin, Dept Integrat Biol, Austin, TX USA
[17] Univ Louisiana Lafayette, Dept Biol, Lafayette, LA USA
[18] Univ Colorado Boulder, Dept Ecol & Evolutionary Biol, Boulder, CO USA
[19] Univ Calif Davis, Dept Evolut & Ecol, Davis, CA USA
[20] Univ Minnesota, Dept Plant & Microbial Biol, Minneapolis, MN USA
[21] Bryn Mawr Coll, Dept Biol, Bryn Mawr, PA USA
[22] North Carolina State Univ, Dept Plant & Microbial Biol, Raleigh, NC USA
[23] Colorado State Univ, Dept Biol, Ft Collins, CO USA
[24] Kansas State Univ, Div Biol, Manhattan, KS USA
[25] Univ Notre Dame, Dept Biol Sci, Notre Dame, IN USA
[26] Davidson Coll, Biol Dept, Davidson, NC USA
[27] Univ Minnesota, Dept Ecol Evolut & Behav, Minneapolis, MN USA
[28] Univ Mississippi, Dept Biol, Oxford, MS 38677 USA
[29] Univ South Carolina, Dept Biol Sci, Columbia, SC USA