"All effects of a gene on the world": Extended phenotypes, feedbacks, and multi-level selection

Thomas G. Whitham, Eric Lonsdorf, Jennifer A. Schweitzer, Joseph K. Bailey, Dylan G. Fischer, Stephen M. Shuster, Richard L. Lindroth, Stephen C. Hart, Gery J. Allan, Catherine A. Gehring, Paul Keim, Brad M. Potts, Jane Marks, Brian J. Rehill, Stephen P. DiFazio, Carri J. LeRoy, Gina M. Wimp, Scott Woolbright