Lobivia densispina f. haematantha (Backeb. ex Wessner) Buining in Sukkulentenkunde 7-8: 96. 1963 Lobivia densispina f. haematantha (Backeb. ex Wessner) Buining in Sukkulentenkunde 7-8: 96. 1963Taxon for this nameLobivia densispina f. haematantha (Backeb. ex Wessner) Buining