Internet Directory for Botany
American Association of Botanical Gardens and Arboreta
AERGC - Association of Education and Research Greenhouse Curators
Department of Ecology and Evolutionary Biology at the University of Connecticut
Ohio Florists' Association
Digital Plant Images - Department of Botany University of Wisconsin
- Madison
Orchids of Wisconsin
Association of Systematics Collections
Flora of North America
International Organization for Plant Information
USDA Plants Database
Manual de las Plantas de Costa Rica
PlantAmerica Database
Scott's Botanical Links - Subject Index
TROPICOS
Wildflowers Homepage
Wisconsin Vascular Plants - Wisconsin State Herbarium