Botanical Society of America, Certificate of Merit, August, 1992 "Inspiring and caring teacher, dedicated researcher, able administrator, president of the American Society of Plant Taxonomists, the Botanical Society of America, and the Society for Economic Botany, champion of the science of botany."
North America | South America | Latin America | Confederate States of America | America | Society of Jesus | Royal Society | Boy Scouts of America | Good Morning America | National Geographic Society | Bank of America | Central America | United Way of America | Captain America | American Cancer Society | Voice of America | Miss America | All-America | America's Got Talent | Royal Television Society | America's Next Top Model | American Physical Society | The Catholic University of America | America One | American Chemical Society | Socialist Party of America | International Society for Krishna Consciousness | Evangelical Lutheran Church in America | American Society of Civil Engineers | Royal Society of Canada |
He is a member of the Botanical Society of America and served as its President (2008 – 2009) and Editor-in-Chief of the American Journal of Botany (1995 – 2004).
In the United States, she has worked for and advised the Department of Energy, National Oceanic and Atmospheric Administration, National Science Foundation, and Seagrant and has held offices in national scientific associations such as Chair of Physiology of the Botanical Society of America.