Lobivia famatimensis var. densispina (Werderm.) Backeb., Cactaceae 4: 1453. 1960 Lobivia famatimensis var. densispina (Werderm.) Backeb., Cactaceae 4: 1453. 1960Taxon for this nameLobivia famatimensis var. densispina (Werderm.) Backeb.