Clematis sect. aspidanthera
(tree size 17)
Clematis sect. brachiatae
(tree size 2)
Clematis sect. clematis
(tree size 15)
Clematis sect. fruticella
(tree size 2)
Clematis sect. meclatis
Clematis sect. narveliopsis
(tree size 3)
Clematis sect. pseudanemone
(tree size 3)
Clematis sect. tubulosae
(tree size 3)
Clematis sect. viticella
(tree size 5)