| Diervilla Mill. [84] | |
| E.A. von Regel, Gartenflora, vol. 40 : t. 1350 (1891) [73] | |
| Illustration contributed by: | Smithsonian Institute, Washington, D.C., U.S.A. |
E.A. von Regel, Gartenflora, vol. 40 : t. 1350 (1891)