Calceolus alternifolius Calceolus marianus Cypripedium calceolus prol. biflorum Cypripedium calceolus f. triflorum Cypripedium calceolus var. citrina Cypripedium calceolus var. viridiflora Cypripedium guttatum subsp. microsaccos Cypripedilon marianus Cypripedium alternifolium Cypripedium atsmori Cypripedium cruciatum Cypripedium ferrugineum Cypripedium microsaccos Cypripedium calceolus var. bellum Cypripedium calceolus var. viridiflorum Cypripedium calceolus var. citrinum Cypripedium calceolus f. grandifolium Cypripedium calceolus var. biflorum Cypripedium boreale
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024