1. Environmental Change Institute School of Geography and the Environment University of Oxford South Parks Road Oxford OX1 3QY UK
2. Department of Ecology and Evolutionary Biology University of Arizona 1041 E Lowell St. Tucson AZ 85721 USA
3. Jepson Herbarium and Department of Integrative Biology University of California 1001 Valley Life Sciences Building 2645 Berkeley CA 94720 USA
4. The Santa Fe Institute 1399 Hyde Park Road Santa Fe NM 87501 USA
5. Hawaiian Silversword Foundation PO Box 1097 Volcano HI 96785 USA