Cactus divaricatus Cereus divaricatus Cereus divergens Cereus nashii Harrisia divaricata Harrisia serruliflorus Harrisia nashii Harrisia nashii var. straminea Harrisia serruliflora Serrulatocereus serruliflorus Pilocereus divaricatus Cereus serruliflorus
World Flora Online, accessed June 20, 2024