| plantapalm.com | Palm and Cycad Societies of Florida |
| palmsociety.org | The European Palm Society |
| palms.org | International Palm Society |
| cooperativeextension.com | A Cooperative Extension |
| tgoa-mgca.org | The Gardeners of America/Men's Garden Clubs of America (TGOA/MGCA) |
| aggs.org | American Gloxinia and Gesneriad Society |
| perennialplant.org | Perennial Plant Association |
| gardenclub.net | Gardening Organizations and Associations |
| bowgardenclub.org | Bow Garden Club |
| bamboooftheamericas.org | Bamboo of the Americas |
| plantapalm.com | www.plantapalm.com/ |
United States , California , Sunnyvale