Clematis 'Proteus' (EL)

Clematis 'Purple Spider' (A)

Clematis 'Remembrance' (LL)

Clematis 'Roguchi' (I)

Clematis 'Romantika' (LL)

Clematis 'Rubra' (Vt)

Clematis 'Ruby' (A)

Clematis 'Ruriokoshi' (LL)

Clematis 'Semu' (LL)

Clematis 'Snowdrift' (Ar)

Clematis 'Souvenir du Capitaine Thuilleaux' (EL)

Clematis 'Star of India' (LL)

Clematis 'Stasik' (EL)

Clematis 'Sunset' (LL)

Clematis 'Södertälje' (Vt)

Clematis 'Tage Lundell' (A)

Clematis 'Teshio' (EL)

Clematis 'The Bride' (EL)

Clematis 'The President' (EL)

Clematis 'Thyrislund' (EL)

Clematis 'Toki' (EL)

Clematis 'Valge Daam' (EL)

Clematis 'Venosa Violacea' (Vt)

Clematis 'Vera' (M)