| Clematis 'Lunar Lass' | Clematis montana D. Don 'Rubens' |
| Clematis 'Madame Le Coultre' | Clematis orientalis L. |
| Clematis 'Rouge Cardinal' | Clematis serratifolia Rehder |
| Clematis alpina (L.) Mill. | Clematis tangutica (Maxim.) Korsh. |
| Clematis alpina (L.) Mill. ssp. sibirica (Mill.) Kuntze | Clematis texensis Buckl. |
| Clematis integrifolia L. | Clematis tibetana Kuntze |
| Clematis lanuginosa Lindl & Paxt. 'Lady Northcliff' | Clematis viorna L. |
| Clematis marmoraria Sneddon | Clematis x bonstedtii Whn. 'Columbiana' |
