Cornell Plantations The purposes of Cornell Plantations are: To hold, manage, protect, and enhance the living botanical collections and the natural areas and gorges of Cornell for the benefit and use of the university community and the public. http://www.plantations.cornell.edu/

Minnesota Landscape Arboretum Its mission is to provide a community and a national resource for horticultural and environmental information, research and public education; to develop and evaluate plants and horticultural practices for cold climates. http://www.arboretum.umn.edu/

Missouri Botanical Garden Located on a 79 acre site in St. Louis, the Missouri Botanical Garden is world-renowned for its fundamental botanical research, horticultural display and education programs. http://www.mobot.org/

Fairchild Tropical Garden Extensive collections of rare tropical plants including palms, cycads, flowering trees and vines. Miami, Florida, USA. http://www.ftg.org/

Arnold Arboretum A research and educational institution. It manages a collection of hardy trees, shrubs, and vines located on 265 acres and associated herbarium and library collections. Boston, Massachusetts, USA. http://www.arboretum.harvard.edu/

Hawaii Tropical Botanical Garden The Garden features spectacular coastline, waterfalls in a deep palm jungle, sunny areas filled with tropical flowers. It presents a very wide variety of tropical rainforest habitats within a relatively small area that is easily accessible by gravel paths. http://www.htbg.com/

American Association of Botanical Gardens and Arboreta A professional association for public gardens in North America, supporting the public horticulture community in its mission to study, display, and conserve plants. http://www.aabga.org/

University of Wisconsin-Madison Arboretum Includes photos of the Arboretum's native Wisconsin habitat restorations and Longenecker Gardens, seasonal events calendar, Naturalists' Notes, Earth Partnership for Schools (ecological restoration), curriculum resources, woodland database, research resources. http://wiscinfo.doit.wisc.edu/arboretum

Connecticut College Arboretum Research in a broad range of subjects including ecology, field biology, conservation, and natural history. The hundreds of acres of land are also important as a refuge for native plants and animals. Herbarium specimens collected in New England, with an emphasis on Connecticut. New London, CT, USA. http://arboretum.conncoll.edu/

Royal Botanic Gardens, Kew The website of Britain's major botanic garden with numerous links and many hosted websites. Kew, London. http://www.rbgkew.org.uk/

Strybing Arboretum & Botanical Gardens Features a spectacular array of plants from the world's Mediterranean and mild temperate climates, to high-elevation tropical cloud forests. San Francisco, USA. http://www.strybing.org/

University of Washington Medicinal Herb Garden A resource for herbalists, medics, and botanists. Hypertext tour and partial catalogue. Seattle, WA, USA. http://www.nnlm.nlm.nih.gov/pnr/uwmhg/

National Tropical Botanical Garden The garden is engaged in the struggle to save the tropical plant world, which is under threat from all sides. This work is carried out through active programs in collection, propagation, conservation, research and education. Hawaii. http://www.ntbg.org/

Los Angeles County Arboretum and Botanic Garden Its mission is to foster an awareness and appreciation of the role of plants in nature and in human affairs. Arcadia, CA, USA. http://www.arboretum.org/

The National Botanic Garden of Wales A visionary project and botanical science showcase built for the Millennium and beyond. Science programme includes systematics, biodiversity and conservation, sustainability and economic botany. Llanarthne, Carmarthenshire, Wales, UK. http://www.gardenofwales.org.uk/

Australian National Botanic Gardens Australian plants, databases on living plants, herbarium specimens and photographs. Canberra, ACT, Australia. http://www.anbg.gov.au/anbg/

Royal Botanical Gardens Canada's largest botanical garden incorporates untamed and cultivated landscapes. Burlington, Ontario, near Hamilton, located 45 minutes from Toronto and Niagara Falls. http://www.rbg.ca/

Royal Tasmanian Botanical Gardens Australia's second oldest botanical gardens features a native Tasmanian section, Botanical Discovery Centre, Botanical Shop and Sub-Antarctic Plant House. Hobart. http://www.rtbg.tas.gov.au/

Mounts Botanical Garden - West Palm Beach Mounts is Palm Beach County's oldest and largest public garden. Our gardens and programs provide the best horticultural and botanical information available related to South Florida's unique plants and environment. http://www.mounts.org

The Chicago Botanic Garden An Illinois Botanic Museum. Gardens, plants, flowers, greenhouses, educational classes, plant information. Events, visitor and membership information. Chicago, IL, USA. http://www.chicagobotanic.org/