Florida Native Plant Society - Promotes the preservation, conservation, and restoration of the native plants and native plant communities of Florida. Florida Exotic Pest Plant Council - Includes information on invasive exotic species, database, proposed research and educational programs, control guides and management plans, mailing list, membership information, and links. Atlas of Florida Vascular Plants - A searchable database compiled by the Institute of Systematic Botany at the University of South Florida with maps, citations, and images and species lists for each county. University of Florida Herbarium - The herbarium and the associated paleobotanical collection have combined holdings of approximately 1/2 million specimens. Includes images of many herbarium specimens. Florida's Nature - Photo galleries and descriptions of Florida's native and exotic trees, shrubs, wildflowers, and habitats collected by Florida semi-native Ed Weislo. With list of threatened and endangered plant and animal species in the state, and date of last update. Florida 4-H Forest Resources - Information about the dominant trees, other plants, wildlife, insects, and diseases in eight different forest ecosystems.