[1] Univ Cape Town, Dept Bot, ZA-7701 Rondebosch, South Africa
[2] Univ Illinois, Dept Anim Biol, Champaign, IL 61820 USA
[3] Stanford Univ, Dept Biol Sci, Stanford, CA 94305 USA
[4] Inst Nacl de Pesquisas da Amazonia, Dept Ecol, BR-69011970 Manaus, Amazonas, Brazil
[5] Oregon State Univ, Environm Sci Program, Corvallis, OR 97331 USA
[6] Inst Nacl de Pesquisas da Amazonia, Projeto INPA Max Planck, BR-69011970 Manaus, Amazonas, Brazil
[7] Univ Hawaii Manoa, Dept Bot, Honolulu, HI 96822 USA
[8] Utah State Univ, Dept Aquat Watershed & Earth Resources, Logan, UT 84322 USA
[9] Indiana Univ, Dept Biol, Bloomington, IN 47405 USA
[10] Univ Illinois, Dept Biol Sci, Chicago, IL 60607 USA
[11] Univ Puerto Rico, Dept Biol, San Juan, PR 00931 USA
[12] Univ Witwatersrand, Dept Anim Plant & Environm Sci, ZA-2050 Johannesburg, South Africa
[13] Inst Nacl de Pesquisas da Amazonia, Coordenacao Pesquisas Ecol, BR-69011970 Manaus, Amazonas, Brazil