Creator
- Adams, Henry Ward, 1861-19442
- American Rhododendron Society1
- Barker, Horton, 1889-19733
- Barnard, Allie Wallace, 1909-20012
- Booker, Betty Burwell, 1875-19671
- Cunningham, Ann Pamela, 1816-18751
- Dodge, Harrison Howell, 1852-19371
- Dold, W. E. (William Elliott)1
- Everett, Edward, 1794-18651
- French, Daisy Mae, 1904-19861
- Friedman, Herbert, 1924-20061
- Gardner, Lena JoEllen, 1912-20041
- Gladden, Texas, 1895-19663
- Keesee, Abner, 1875-19569
- Kertész, André, 1894-19851