Synonyms
Clematis pseudoalpina var. tenuiloba (A.Gray) A.Nelson
Clematis alpina subvar. tenuiloba A.Gray
Clematis alpina var. tenuiloba (A.Gray) A.Gray
Atragene columbiana var. tenuiloba (A.Gray) Luferov
Clematis pseudoatragene subsp. subtriternata Kuntze
Clematis tenuiloba (A.Gray) C.L.Hitchc.
Atragene tenuiloba (A.Gray) Britton