Synonyms: Clematis ajanensis; Clematis coreana; Clematis flabellata (homotypic); Clematis fusca f. obtusifoliola; Clematis fusca var. ajanensis; Clematis fusca var. amurensis; Clematis fusca var. coreana; Clematis fusca var. flabellata; Clematis fusca var. fusca; Clematis fusca var. glabricalyx; Clematis fusca var. kamtschatica; Clematis fusca var. mandshurica; Clematis fusca var. obtusifoliola; Clematis fusca var. tomentosa; Clematis fusca var. yezoensis; Clematis fuscoviolacea; Clematis ianthina; Clematis ianthina var. amurensis; Clematis ianthina var. mandshurica; Clematis ianthina var. manshurica; Clematis kamtschatica; Clematis mandschurensis (homotypic); Viorna fusca (homotypic)