Creator
- [Missing]2
- Abbey, J. R. (John Roland), 1896-19691
- Adams, Henry Ward, 1861-19442
- American Rhododendron Society1
- Barker, Horton, 1889-19733
- Barnard, Allie Wallace, 1909-20012
- Bean, Robert Bennett, 1874-19443
- Bernie, Frederick, fl. 17921
- Bibb, Rosa Lewis, 1906-19922
- Bloom, Joseph D.1
- Booker, Betty Burwell, 1875-19671
- Borissow, Kyrill1
- Bowles, Henry Carington , 1763 - 18301
- Burke, Alison K.1
- Carpenter, William T.1