Cooperating Societies/Organizations:

• AGRICULTURE NETWORK INFORMATION CENTER
• AMERICAN ASSOCIATION OF BOTANICAL GARDENS AND ARBORETA
• AMERICAN BRYOLOGICAL AND LICHENOLOGICAL SOCIETY
• AMERICAN FERN SOCIETY
• AMERICAN INSTITUTE OF BIOLOGICAL SCIENCES
• AMERICAN PHYTOPATHOLOGICAL SOCIETY
• AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE
• AMERICAN SOCIETY FOR PHOTOBIOLOGY
• AMERICAN SOCIETY OF AGRONOMY
• AMERICAN SOCIETY OF PLANT PHYSIOLOGISTS
• AMERICAN SOCIETY OF PLANT TAXONOMISTS
• ASSOCIATION OF ECOSYSTEM RESEARCH CENTERS
• ASSOCIATION FOR TROPICAL BIOLOGY
• AUSTRALIAN NETWORK FOR PLANT CONSERVATION
• AUSTRALIAN SYSTEMATIC BOTANY SOCIETY
• BioMedLink
• BOTANICAL SOCIETY OF AMERICA
• BRITISH MYCOLOGICAL SOCIETY
• BROMELIAD SOCIETY INTERNATIONAL
• CANADIAN BOTANICAL ASSOCIATION
• CANADIAN PHYTOPATHOLOGICAL SOCIETY
• CANADIAN SOCIETY OF PLANT PHYSIOLOGISTS
• COUNCIL ON BOTANICAL AND HORTICULTURAL LIBRARIES.
• DEUTSCHE PHYTOMEDIZINISCHE GESELLSCHAFT
• ECOLOGICAL SOCIETY OF AMERICA'S PLANT POPULATION BIOLOGY SECTION
• EUROPEAN WEED RESEARCH SOCIETY
• GREEN PLANT PHYLOGENY RESEARCH COORDINATION GROUP
• HISTORY OF SCIENCE SOCIETY
• INSTITUTO DE BIOLOGIA
• INTERNATIONAL AROID SOCIETY
• INTERNATIONAL ASCLEPIAD SOCIETY
• INTERNATIONAL ASSOCIATION FOR PLANT TAXONOMY
• INTERNATIONAL ASSOCIATION OF LICHENOLOGY
• INTERNATIONAL ASSOCIATION OF PTERIDOLOGISTS
• INTERNATIONAL ASSOCIATION OF WOOD ANATOMISTS
• INTERNATIONAL CAMELLIA SOCIETY
• INTERNATIONAL CARNIVOROUS PLANT SOCIETY
• INTERNATIONAL MYCOLOGICAL ASSOCIATION
• INTERNATIONAL ORGANIZATION FOR PLANT INFORMATION
• INTERNATIONAL ORGANIZATION OF PLANT BIOSYSTEMATISTS
• INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS
• INTERNATIONAL SOCIETY FOR PHOTOSYNTHESIS RESEARCH
• INTERNATIONAL SOCIETY FOR PLANT MOLECULAR BIOLOGY
• INTERNATIONAL SOCIETY FOR ENVIRONMENTAL BOTANISTS
• INTERNATIONAL TURFGRASS SOCIETY
• ISRAELI SOCIETY OF BOTANY
• ITALIAN PHYTOPATHOLOGICAL SOCIETY
• MISSOURI BOTANICAL GARDEN
• MYCOLOGICAL SOCIETY OF AMERICA
• NATIONAL WILDFLOWER RESEARCH CENTER
• ORGANIZATION FOR THE PHYTO-TAXONOMIC INVESTIGATION OF THE MEDITERRANEAN AREA (OPTIMA)
• PALEONTOLOGICAL SOCIETY
• PHYCOLOGICAL SOCIETY OF AMERICA
• PHYLOGENETICS RESOURCES
• PLANT PATHOLOGY INTERNET GUIDE BOOK
• RED LATINOAMERICANA DE BOTANICA
• SAINT LOUIS UNIVERSITY
• SIGMA XI
• SCANDINAVIAN SOCIETY FOR PLANT PHYSIOLOGY
• SOCIETY FOR DEVELOPMENTAL BIOLOGY
• SOCIETY FOR ECOLOGICAL RESTORATION
• SOCIETY FOR ECONOMIC BOTANY
• SOCIETY FOR INTEGRATIVE AND COMPARATIVE BIOLOGY
• SOCIETY FOR THE PRESERVATION OF NATURAL HISTORY COLLECTIONS
• SOCIETY OF AMERICAN FORESTERS
• SOUTHERN AFRICAN SOCIETY FOR PLANT PATHOLOGY
• TAXONOMIC DATABASE WORKING GROUP
• UNIVERSITY OF MISSOURI AT ST. LOUIS
• WASHINGTON UNIVERSITY