| Bill The Bulb Baron - Carmel Valley, CA |
| Daffodil Moose Gallery |
| Grant E. Mitsch Novelty Daffodils - Hubbard, OR |
| David Burdick Daffodils & More - Dalton, MA |
| Fox Run Daffodils - Gaithersburg, MD |
| Happy Moose Gardens- Bobby & Gretchen Baxter - Wake Forest, NC |
| Helen Lee's Daffodil Garden - Gladewater, TX |
| Nancy Wilson Species & Miniature Narcissus - Garberville, CA |
| Narcissus Pests and Disease |
| Tom Stettner's Daffodil Page - Cincinnati, OH |
| U.C. Davis, Narcissus Diseases |
| American Daffodil Society (primary focus is exhibtions, not gardening) |
| Daffodil and Hosta Society of Pennsylvania |
| Florida Daffodil Society |
| Midwest Society |
| Northern California Daffodil Society |
| St. Louis Daffodil Club |
| South Western Ohio Daffodil Society |
| Daffodils in the United Kingdom |
| Northern Ireland Daffodil Group |
| International Daffodil Register |
| Tasmania Daffodil Council, Inc |
| The Daffodil Society, Great Britain |
| Jackson's Daffodils - Australia |
| R.A. Scamp Quality Daffodils - U.K. |
