Creator
- American Rhododendron Society1
- 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
- Friedman, Herbert, 1924-20061
- Kertész, André, 1894-19851
- Kinnier, Leta Adams, 1912-19631
- Lee, Charles Irving, 1874-19463
- Lossing, Benson John, 1813-18911
- Mann, Charles Harrison, Jr., 1908-1977 1
- Reich, Molka1
- Ritchie, Anna Cora Mowatt, 1819-18701
- Sundgaard, Arnold, 1909-20061