Echinopsis densispina f. sanguinea (Wessner) Buining in Sukkulentenkunde 7-8: 95. 1963 Echinopsis densispina f. sanguinea (Wessner) Buining in Sukkulentenkunde 7-8: 95. 1963is new combination for Lobivia densispina var. sanguinea Wessner in Kakteenkunde 1940: 18. 1940Taxon for this nameEchinopsis densispina f. sanguinea (Wessner) Buining