| 2. | Missouri Native Plant Society | | | Very brief information with little detail - mainly for existing members with concise instructions for those who wish to join. www.missouri.edu |
| 4. | Native Plant Society of Oregon | | | Details membership, bulletins, their own email discussion list and the officers of each chapter in the Society. www.npsoregon.org |
| 5. | California Native Plant Society | | | A statewide non-profit organization of amateurs and professionals with an interest in California's native plants. www.cnps.org |
| 8. | Association of Societies for Growing Australian Plants | | | Information about the SGAP and its activities, FAQ about Australian plants, Photo Gallery, places to see Australian plants, simple plant propagation methods and descriptions of a wide range of plant species. farrer.riv.csu.edu.au |
| 11. | New England Wild Flower Society | | | The NEWFS is the oldest plant conservation organization in the United States. Promoting conservation of temperate North American plants through education, horticulture, research, habitat preservation, and conservation advocacy. www.newfs.org |
| 13. | Connecticut Botanical Society | | | Group for anyone interested in Connecticut's plants - detailed information about what the society does, pricing and contact details; wildflower photo galleries; gardening with native plants. ct-botanical-society.org |
| 14. | Native Orchid Conservation Inc. | | | NOCI is a non-profit group dedicated to habitat-protection, study and appreciation of native plants and their ecosystems. www.nativeorchid.com |
| 17. | Australian Carnivorous Plant Society, Inc. | | | Information from the ACPS on Australian carnivorous plants. Also society bulletins, meetings, written articles, pictures, bookshop, seed bank and other CP links. www.acps.org.au |
| 18. | North American Native Plant Society | | | Dedicated to the study, conservation, cultivation and restoration of native plants. Join us in our celebration of the unique botanical heritage of North America. www.nanps.org |
| 22. | Georgia Plant Conservation Alliance | | | Mission is to study and preserve Georgia's flora through multidisciplinary research, education, and advocacy; facilitate the recovery of rare, threatened, and endangered plants of Georgia and the southeast U.S. through collaborative efforts in our state; and communicate the importance of preserving biodiversity worldwide. www.uga.edu |
| 26. | Maryland Native Plant Society | | | Dedicated to protecting, conserving, and restoring Maryland's native plants and habitats. Includes meetings, field trips, restoration projects, and a list of native plant suppliers. mdflora.org |
| 28. | Delaware Native Plant Society | | | Information about the society, events, projects, publications, native and exotic plants. www.delawarenativeplants.org |
| 29. | Florida Native Plant Society | | | Promotes the preservation, conservation, and restoration of the native plants and native plant communities of Florida. www.fnps.org |
| 30. | Georgia Native Plant Society | | | Promotes the conservation of native plants and habitats of Georgia, USA. Information about the society, native plants, events and resources. www.gnps.org |
| 31. | Idaho Native Plant Society | | | A non-profit organization dedicated to promoting interest in native plants and plant communities of the state. Includes list of plants of conservation concern in Idaho. www.idahonativeplants.org |
| 32. | Native Plant Society of Texas | | | Promotes the conservation, research, and utilization of the native plants and plant habitats of Texas. www.npsot.org |
| 33. | Shoals Wildflower Society | | | A chapter of the Alabama Wildflower Society. Includes events, programs, and photos. home.hiwaay.net |
| 35. | Utah Native Plant Society | | | Dedicated to the appreciation, preservation and conservation of the native plants and plant communities found in the state. www.unps.org |
| 36. | Iowa Prairie Network | | | An organization that sponsors events in the Iowa area - offers information about the events, contact details and links to related sites. www.iowaprairienetwork.org |
| 39. | Wild Flower Society | | | Society for amateur botanists/wild flower lovers in the UK. rbg-web2.rbge.org.uk |
| | |