Creator
- [Missing]2
- Abbey, J. R. (John Roland), 1896-19691
- Abisha Ruckman Gum 1
- Alexander, Hannah Lee Washington, 1811-18811
- American Rhododendron Society1
- Bernie, Frederick, fl. 17921
- Bloom, Joseph D.1
- Borissow, Kyrill1
- Bowles, Henry Carington , 1763 - 18301
- Brinson, Betsy 2
- Browne, Theodore1
- Burke, Alison K.1
- Carpenter, William T.1
- Carver, Samuel, 1756-18411
- Chesse, Ralph 1