World Botanical and Herbarium Sites
Botanical Research Institute of Texas
Harvard University Herbaria and Libraries
Botanic Garden and Botanical Museum Berlin-Dahlem
The Center for Plant Diversity, University of California, Davis
The University and Jepson Herbaria of the University of California at Berkeley
Botanical Research and Herbarium Management System, University of Oxford
United States National Herbarium, Smithsonian Museum of Natural History
Beaty Biodiversity Museum, University of British Columbia
Worldwide List of Internet Accessible Herbaria