R. campanulatum ssp campanulatum 'Knaphill'
Species selection of R. campanulatum ssp campanulatum
| Selected By | Rothschild, L. de |
| Introduced | 1925 |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Selected By | Rothschild, L. de |
| Introduced | 1925 |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |