Clematis cylindrica Sims
Clematis cylindrica var. lineariloba (DC.) Alph.Wood
Clematis distorta Lavallée
Viorna crispa var. walteri (Pursh) Small
Clematis simsii var. micrantha Kuntze
Viorna crispa (L.) Small
Clematis simsii var. chrysocarpa Kuntze
Clematis walteri Pursh
Viorna simsii (Sweet) Small
Clematis insulensis K.Koch
Clematis cylindrica var. walteri (Pursh) Torr. & A.Gray
Coriflora crispa (L.) W.A.Weber
Clematis crispa var. walteri (Pursh) A.Gray
Clematis simsii Sweet
Viticella crispa (L.) Bercht. & J.Presl
Clematitis crispa (L.) Moench
Clematis lineariloba DC.
Viorna cylindrica (Sims) Spach ex Dippel
Viorna obliqua Small
Clematis schillingii K.Koch
Clematis viticella var. lineariloba (DC.) Kuntze
Clematis simsii subsp. lobata Kuntze
Clematis viticella subsp. crispa (L.) Kuntze
Clematis viticella subsp. walteri (Pursh) Kuntze