Paris hexaphylla Paris dahurica Paris manshurica Paris obovata Paris quadrifolia var. dahurica Paris quadrifolia var. hexaphylla Paris verticillata var. manshurica Paris verticillata subsp. manshurica Paris verticillata var. obovata Paris hexaphylla f. purpurea Paris verticillata f. purpurea Paris obovata f. purpurea Paris quadrifolia f. obovata Paris hexaphylla var. manshurica Paris quadrifolia var. obovata
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024