Coral Gables, FL. One of the premier conservation and education-based gardens in the world, with a focus on tropical plants. Publication: The Tropical Garden
The University of Texas at Austin. Inspire conservation of native plants through gardens, research, education, consulting and outreach programs. Publication: Wildflower
St. Louis, MO. Oldest botanical garden in continuous operation in U.S. Conservation of plant diversity central to mission. Journal (onsite or VPN access only): Annals of the Missouri Botanical Garden
Bronx, NY. Founded in 1891; National Historic Landmark; largest botanical garden in any U.S. city. Plant exhibition, education, research, conservation. Publication: Garden News
Canberra, Australia. Scientific collection of native plants from all parts of Australia. Herbarium of preserved plant specimens. Cultivation of plants threatened in the wild.