| Rhododendron L. [1327] | |
| E.A. von Regel, Gartenflora, vol. 4 : t. 137, fig. 1 (1855) [46] | |
| Illustration contributed by: | Missouri Botanical Garden, St. Louis, U.S.A. |
E.A. von Regel, Gartenflora, vol. 4 : t. 137, fig. 1 (1855)