Clematis 'Red Star' (EL)

Clematis 'Roguchi' (I)

Clematis 'Rouge Cardinal' (LL)

Clematis 'Rouge Cardinal' (LL)

Clematis 'Rouge Cardinal' (LL)

Clematis 'Royal Velours' (Vt)

Clematis 'Rubra' (Vt)

Clematis 'Ruriokoshi' (LL)

Clematis 'Semu' (LL)

Clematis 'Shin-shigyoku' (EL)

Clematis 'Shirayukihime' (EL)

Clematis 'Snow Queen' (EL)

Clematis 'Snowdrift' (Ar)

Clematis 'Star of India' (LL)

Clematis 'Stolwijk Gold' (A)

Clematis 'Sunset' (LL)

Clematis 'Sylvia Denny' (EL)

Clematis 'Södertälje' (Vt)

Clematis 'Taiga'

Clematis 'Teshio' (EL)

Clematis 'The President' (EL)

Clematis 'The President' (EL)

Clematis 'The President' (EL)

Clematis 'The Vagabond' (EL)