Cypripedium neoparviflorum Cypripedium speciosum var. albiflorum Cypripedium thunbergii f. albiflorum Cypripedium calceolus var. rubrum Cypripedium macranthos var. speciosum Cypripedium rebunense Cypripedium macranthos f. rebunense Cypripedium macranthos var. albiflorum Cypripedium macranthon var. flavum Cypripedium speciosum Cypripedium thunbergii Cypripedium macranthos f. alboroseum Cypripedium macranthos f. albostriatum Cypripedium macranthos var. atropurpureum Cypripedium macranthos f. flavoroseum Cypripedium macranthos var. flavum Cypripedium macranthos f. vulgare Cypripedium macranthos var. rebunense Sacodon macranthos Cypripedium macranthos var. maximum Cypripedium macranthos f. albiflorum Cypripedium macranthon var. atropurpureum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024