Twenty-three varieties of Clematis have documented use in herbal medicine: Clematis alternata, Clematis apiifolia, Clematis barbellata, Clematis brachyura, Clematis buchananiana, Clematis columbiana - Rock Clematis, Clematis connata, Clematis douglasii - Hairy Clematis, Clematis flammula - Fragrant Virgin's Bower, Clematis chinensis - Wei Ling Xian, Clematis ianthina, Clematis ligusticifolia - White Clematis, Clematis mandschurica, Clematis microphylla, Clematis orientalis, Clematis patens, Clematis pierotii, Clematis recta, Clematis serratifolia, Clematis terniflora - Sennin-So, Clematis tibetana, Clematis trichotoma, Clematis vitalba - Traveller's Joy