R. rex ssp rex 'Nicholas Vaartnou'
Species selection of R. rex ssp rex
| Selected By | Vaartnou, H. |
| Introduced | 1985 |
| 10 Year Height | 150 cm. (5ft.) |
| Bloom Time | early midseason |
| Flower | openly campanulate |
| Predominant Colour | ? |
| Leaves | elliptic |
| Winter Foliage | ? |
| Hardiness | ? |