| Rhododendron L. [1327] | |
| Portef. Hort., vol. 2 : (1848) [L. Constans] [37] | |
| drawing: L. Constans [200] | |
| lithography: L. Constans | |
| Illustration contributed by: | U.S. Department of Agriculture, National Agricultural Library |
Portef. Hort., vol. 2 : (1848) [L. Constans]